126=7(7+x)

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Solution for 126=7(7+x) equation: 



126=7(7+x)

We move all terms to the left:

126-(7(7+x))=0

We add all the numbers together, and all the variables

-(7(x+7))+126=0



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

7(x+7)

We multiply parentheses

7x+49

Back to the equation:

-(7x+49)



We get rid of parentheses

-7x-49+126=0

We add all the numbers together, and all the variables

-7x+77=0

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

-7x=-77

x=-77/-7

x=+11

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