9x-80=100

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Solution for 9x-80=100 equation:



9x-80=100
We move all terms to the left:
9x-80-(100)=0
We add all the numbers together, and all the variables
9x-180=0
We move all terms containing x to the left, all other terms to the right
9x=180
x=180/9
x=20

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