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March 26, 2017

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Could someone check this equation for me please.I have added the steps I have done so far.

7x +9 = 5x-5
subtract 5x from both sides and simplify
2x+9=5
subtract 9 from both sides
2x=-4
divide by 2
x=-2
Thought I had done it right but each side does not add up equally if x = -2.

  • Algebra - ,

    7x +9 = 5x-5
    7x - 5x = -9 + (-5)
    2x = -14
    x = -7

    Plug -7 in to see if it works.

    I think you missed a minus sign in your work.

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