Algebra Two-Step Equations Flashcards

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Questions and Answers

What is the solution for the equation $3x - 7 = 8$?

x = 5

What is the solution for the equation $-3x - 7 = 8$?

x = -5

What is the solution for the equation $6x + 2 = -1$?

x = -1/2

What is the solution for the equation $-4x + 6 = 34$?

<p>x = -7</p> Signup and view all the answers

What is the solution for the equation $-4x - 6 = 34$?

<p>x = -10</p> Signup and view all the answers

What is the solution for the equation $4x + 6 = 34$?

<p>x = 7</p> Signup and view all the answers

What is the solution for the equation $4x - 6 = 34$?

<p>x = 10</p> Signup and view all the answers

What is the solution for the equation $-43 = 7 - 5x$?

<p>x = 10</p> Signup and view all the answers

What is the solution for the equation $-43 = 7 + 5x$?

<p>x = -10</p> Signup and view all the answers

What is the solution for the equation $-40 = 8 - 8x$?

<p>x = 6</p> Signup and view all the answers

What is the solution for the equation $-4x - 1 = 15$?

<p>x = -4</p> Signup and view all the answers

What is the solution for the equation $\frac{x}{5} + 3 = 10$?

<p>x = 35</p> Signup and view all the answers

What is the solution for the equation $-\frac{x}{2} - 8 = 3$?

<p>x = -22</p> Signup and view all the answers

What is the solution for the equation $\frac{x}{7} + 14 = 3$?

<p>x = -77</p> Signup and view all the answers

What is the solution for the equation $7 - x = 5$?

<p>x = 2</p> Signup and view all the answers

What is the solution for the equation $-5 - x = 4$?

<p>x = -9</p> Signup and view all the answers

What is the solution for the equation $-3x - 5 = 7$?

<p>x = -4</p> Signup and view all the answers

What is the solution for the equation $6x + 16 = -20$?

<p>x = -6</p> Signup and view all the answers

What is the solution for the equation $\frac{x}{7} - 5 = -6$?

<p>x = -7</p> Signup and view all the answers

What is the solution for the equation $-6x + 2 = 14$?

<p>x = -2</p> Signup and view all the answers

What is the solution for the equation $-3x - 7 = 8$?

<p>x = -5</p> Signup and view all the answers

What is the solution for the equation $9 - x = 14$?

<p>x = -5</p> Signup and view all the answers

What is the solution for the equation $-\frac{x}{3} - 5 = 1$?

<p>x = -18</p> Signup and view all the answers

What is the solution for the equation $-\frac{x}{2} + 12 = -10$?

<p>x = 44</p> Signup and view all the answers

What is the solution for the equation $-\frac{2}{3}x + 4 = 8$?

<p>x = -6</p> Signup and view all the answers

What is the solution for the equation $-\frac{1}{2}x - 3 = -4$?

<p>x = 2</p> Signup and view all the answers

What is the solution for the equation $\frac{4}{5}x + 5 = 17$?

<p>x = 15</p> Signup and view all the answers

What is the solution for the equation $-\frac{4}{5}x + 5 = 17$?

<p>x = -15</p> Signup and view all the answers

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Study Notes

Two-Step Equations Overview

  • Two-step equations typically involve isolating the variable through two operations: addition/subtraction followed by multiplication/division.

Key Examples of Equations and Solutions

  • Equation: 3x - 7 = 8
  • Solution:* x = 5
  • Equation: -3x - 7 = 8
  • Solution:* x = -5
  • Equation: 6x + 2 = -1
  • Solution:* x = -1/2
  • Equation: -4x + 6 = 34
  • Solution:* x = -7
  • Equation: -4x - 6 = 34
  • Solution:* x = -10
  • Equation: 4x + 6 = 34
  • Solution:* x = 7
  • Equation: 4x - 6 = 34
  • Solution:* x = 10
  • Equation: -43 = 7 - 5x
  • Solution:* x = 10
  • Equation: -43 = 7 + 5x
  • Solution:* x = -10
  • Equation: -40 = 8 - 8x
  • Solution:* x = 6

Additional Variations of Equations

  • Equation: -4x - 1 = 15
  • Solution:* x = -4
  • Equation: x/5 + 3 = 10
  • Solution:* x = 35
  • Equation: -x/2 - 8 = 3
  • Solution:* x = -22
  • Equation: x/7 + 14 = 3
  • Solution:* x = -77
  • Equation: 7 - x = 5
  • Solution:* x = 2
  • Equation: -5 - x = 4
  • Solution:* x = -9
  • Equation: -3x - 5 = 7
  • Solution:* x = -4
  • Equation: 6x + 16 = -20
  • Solution:* x = -6
  • Equation: x/7 - 5 = -6
  • Solution:* x = -7
  • Equation: -6x + 2 = 14
  • Solution:* x = -2

Final Group of Equations

  • Equation: -3x - 7 = 8
  • Solution:* x = -5
  • Equation: 9 - x = 14
  • Solution:* x = -5
  • Equation: -x/3 - 5 = 1
  • Solution:* x = -18
  • Equation: -x/2 + 12 = -10
  • Solution:* x = 44
  • Equation: -2/3x + 4 = 8
  • Solution:* x = -6
  • Equation: -1/2x - 3 = -4
  • Solution:* x = 2
  • Equation: 4/5x + 5 = 17
  • Solution:* x = 15
  • Equation: -4/5x + 5 = 17
  • Solution:* x = -15

Summary of Techniques

  • Isolate the variable in two steps: first eliminate constants, then coefficient.
  • Solutions can vary significantly based on the sign and coefficients of x.
  • Forms include single-variable equations with positive/negative terms and fractions.

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