189=7x+7(2x+12)

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Solution for 189=7x+7(2x+12) equation: 



189=7x+7(2x+12)

We move all terms to the left:

189-(7x+7(2x+12))=0



We calculate terms in parentheses: -(7x+7(2x+12)), so:

7x+7(2x+12)

We multiply parentheses

7x+14x+84

We add all the numbers together, and all the variables

21x+84

Back to the equation:

-(21x+84)



We get rid of parentheses

-21x-84+189=0

We add all the numbers together, and all the variables

-21x+105=0

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

-21x=-105

x=-105/-21

x=+5

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