55=7x+3(x+1)

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Solution for 55=7x+3(x+1) equation: 



55=7x+3(x+1)

We move all terms to the left:

55-(7x+3(x+1))=0



We calculate terms in parentheses: -(7x+3(x+1)), so:

7x+3(x+1)

We multiply parentheses

7x+3x+3

We add all the numbers together, and all the variables

10x+3

Back to the equation:

-(10x+3)



We get rid of parentheses

-10x-3+55=0

We add all the numbers together, and all the variables

-10x+52=0

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

-10x=-52

x=-52/-10

x=5+1/5

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