55=10(x+7)+15

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Solution for 55=10(x+7)+15 equation: 



55=10(x+7)+15

We move all terms to the left:

55-(10(x+7)+15)=0



We calculate terms in parentheses: -(10(x+7)+15), so:

10(x+7)+15

We multiply parentheses

10x+70+15

We add all the numbers together, and all the variables

10x+85

Back to the equation:

-(10x+85)



We get rid of parentheses

-10x-85+55=0

We add all the numbers together, and all the variables

-10x-30=0

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

-10x=30

x=30/-10

x=-3

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