7=8x+9

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Solution for 7=8x+9 equation: 



7=8x+9

We move all terms to the left:

7-(8x+9)=0

We get rid of parentheses

-8x-9+7=0

We add all the numbers together, and all the variables

-8x-2=0

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

-8x=2

x=2/-8

x=-1/4

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