Solving Linear Equations with Fractions Quiz

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Questions and Answers

What is the solution to the equation $\frac{2}{3}x + 4 = 6$?

  • $x = -1.5$
  • $x = -6.5$
  • $x = 6.5$
  • $x = 1.5$ (correct)

What is the value of $x$ in the equation $\frac{5}{2} - x = \frac{1}{4}$?

  • $x = \frac{9}{4}$
  • $x = -\frac{9}{4}$
  • $x = \frac{7}{4}$ (correct)
  • $x = -\frac{7}{4}$

Which of the following is the solution to $\frac{x}{4} + \frac{x}{3} = 5$?

  • $x = -60$
  • $x = 12$ (correct)
  • $x = 60$
  • $x = -12$

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

<p>$x = -5$ (B)</p> Signup and view all the answers

Which of the following is the solution to the equation $rac{2}{5}x - 3 = rac{1}{4}x + 12$?

<p>$x = 48$ (D)</p> Signup and view all the answers

What is the value of $x$ in the equation $rac{3}{2}x + 5 = rac{1}{4}x - 3$?

<p>$x = -20$ (B)</p> Signup and view all the answers

What type of device is a monitor in a computer system?

<p>Output device (A)</p> Signup and view all the answers

Which of the following devices is responsible for converting input into digital data in a computer system?

<p>Keyboard (C)</p> Signup and view all the answers

What is the primary function of a printer in a computer system?

<p>To produce hard copies of output (A)</p> Signup and view all the answers

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Study Notes

Algebraic Equations and Solutions

  • To solve the equation (\frac{2}{3}x + 4 = 6), isolate (x):

    • Subtract 4 from both sides: (\frac{2}{3}x = 2)
    • Multiply both sides by (\frac{3}{2}): (x = 3)
  • For the equation (\frac{5}{2} - x = \frac{1}{4}), solve for (x):

    • Rearrange to find (x): (x = \frac{5}{2} - \frac{1}{4})
    • Convert (\frac{5}{2}) to (\frac{10}{4}): (x = \frac{10}{4} - \frac{1}{4} = \frac{9}{4})
  • In the equation (\frac{x}{4} + \frac{x}{3} = 5), find (x):

    • Find a common denominator (12): (\frac{3x}{12} + \frac{4x}{12} = 5)
    • Combine terms: (\frac{7x}{12} = 5)
    • Multiply by 12 and divide by 7: (x = \frac{60}{7})
  • To solve for (x) in (3x - 7 = 5x + 3):

    • Rearrange terms: (3x - 5x = 3 + 7)
    • Simplify to (-2x = 10)
    • Divide by -2: (x = -5)
  • The equation (\frac{2}{5}x - 3 = \frac{1}{4}x + 12) requires isolating (x):

    • Rearrange to get all (x) terms on one side and constants on the other.
    • Multiply through to eliminate fractions if necessary.
  • To find (x) in (\frac{3}{2}x + 5 = \frac{1}{4}x - 3):

    • Isolate terms and convert fractions as needed to combine like terms.

Computer System Components

  • A monitor is an output device that displays visual information from the computer.

  • The device responsible for converting input into digital data is often referred to as an input device, such as a keyboard or a mouse.

  • The primary function of a printer is to produce hard copies of digital documents or images, converting digital data back into a physical format.

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