9(x+1)-(x+2)=78

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Solution for 9(x+1)-(x+2)=78 equation: 



9(x+1)-(x+2)=78

We move all terms to the left:

9(x+1)-(x+2)-(78)=0

We multiply parentheses

9x-(x+2)+9-78=0

We get rid of parentheses

9x-x-2+9-78=0

We add all the numbers together, and all the variables

8x-71=0

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

8x=71

x=71/8

x=8+7/8

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