9x=8+7

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Solution for 9x=8+7 equation: 



9x=8+7

We move all terms to the left:

9x-(8+7)=0

We add all the numbers together, and all the variables

9x-15=0

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

9x=15

x=15/9

x=1+2/3

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