9x-8=x+72

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Solution for 9x-8=x+72 equation: 



9x-8=x+72

We move all terms to the left:

9x-8-(x+72)=0

We get rid of parentheses

9x-x-72-8=0

We add all the numbers together, and all the variables

8x-80=0

We move all terms containing x to the left, all other terms to the right

8x=80

x=80/8

x=10

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