155=2x+5(2x+7)

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Solution for 155=2x+5(2x+7) equation: 



155=2x+5(2x+7)

We move all terms to the left:

155-(2x+5(2x+7))=0



We calculate terms in parentheses: -(2x+5(2x+7)), so:

2x+5(2x+7)

We multiply parentheses

2x+10x+35

We add all the numbers together, and all the variables

12x+35

Back to the equation:

-(12x+35)



We get rid of parentheses

-12x-35+155=0

We add all the numbers together, and all the variables

-12x+120=0

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

-12x=-120

x=-120/-12

x=+10

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