126-(7x+3)=7(x+9)+x

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Solution for 126-(7x+3)=7(x+9)+x equation: 



126-(7x+3)=7(x+9)+x

We move all terms to the left:

126-(7x+3)-(7(x+9)+x)=0

We get rid of parentheses

-7x-(7(x+9)+x)-3+126=0



We calculate terms in parentheses: -(7(x+9)+x), so:

7(x+9)+x

We add all the numbers together, and all the variables

x+7(x+9)

We multiply parentheses

x+7x+63

We add all the numbers together, and all the variables

8x+63

Back to the equation:

-(8x+63)



We add all the numbers together, and all the variables

-7x-(8x+63)+123=0

We get rid of parentheses

-7x-8x-63+123=0

We add all the numbers together, and all the variables

-15x+60=0

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

-15x=-60

x=-60/-15

x=+4

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