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26 May, 08:36

What is 12+5x=2x-9 step by step

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  1. 26 May, 10:52
    0
    x = - 7

    How to:

    Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation

    5°x - (2°x-9) = 0

    Pull out like factors:

    21 + 3x = 3 • (x + 7)

    Equations which are never true: Solve 3 = 0

    Solving a Single Variable Equation:

    Solve : x+7 = 0

    Subtract 7 from both sides of the equation : x = - 7
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