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Questions and Answers
Which of the following is NOT a common method for solving equations?
Which of the following is NOT a common method for solving equations?
- Integration (correct)
- Substitution
- Elimination
- Graphing
What is the first step in solving a system of equations by substitution?
What is the first step in solving a system of equations by substitution?
- Solve for x in one of the equations (correct)
- Solve for y in one of the equations
- Multiply both equations by a common factor
- Set both equations equal to 0
What is the solution to the equation 3x + 7 = 22?
What is the solution to the equation 3x + 7 = 22?
- x = 8
- x = 6
- x = 5 (correct)
- x = 3
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Study Notes
Solving Equations
- Graphing is not a common method for solving equations.
Substitution Method
- The first step in solving a system of equations by substitution is to solve one of the equations for one variable.
Equation Solution
- The solution to the equation 3x + 7 = 22 is x = 5.
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