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7 December, 16:20

Is n = 2 a solution to the equation 4n - 3 = - 2n + 9. Show your work and explain your answer.

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  1. 7 December, 16:44
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    4n - 3=-2n+9

    4 (2) - 3

    8-3=5

    -2 (2) + 9

    -4+9=5

    5=5

    This means that the solution to this equation is 2.

    5+-8x=29

    Subtract 5 from both sides.

    8x=24

    Divide by 8.

    x=3

    This means that the solution to this equation is 3.
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