49=x+(4x-7)+(4x-7)

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Solution for 49=x+(4x-7)+(4x-7) equation: 



49=x+(4x-7)+(4x-7)

We move all terms to the left:

49-(x+(4x-7)+(4x-7))=0



We calculate terms in parentheses: -(x+(4x-7)+(4x-7)), so:

x+(4x-7)+(4x-7)

We get rid of parentheses

x+4x+4x-7-7

We add all the numbers together, and all the variables

9x-14

Back to the equation:

-(9x-14)



We get rid of parentheses

-9x+14+49=0

We add all the numbers together, and all the variables

-9x+63=0

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

-9x=-63

x=-63/-9

x=+7

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