-7x+12x=6(12-6x)+11(2x+9)

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Solution for -7x+12x=6(12-6x)+11(2x+9) equation: 



-7x+12x=6(12-6x)+11(2x+9)

We move all terms to the left:

-7x+12x-(6(12-6x)+11(2x+9))=0

We add all the numbers together, and all the variables

-7x+12x-(6(-6x+12)+11(2x+9))=0

We add all the numbers together, and all the variables

5x-(6(-6x+12)+11(2x+9))=0



We calculate terms in parentheses: -(6(-6x+12)+11(2x+9)), so:

6(-6x+12)+11(2x+9)

We multiply parentheses

-36x+22x+72+99

We add all the numbers together, and all the variables

-14x+171

Back to the equation:

-(-14x+171)



We get rid of parentheses

5x+14x-171=0

We add all the numbers together, and all the variables

19x-171=0

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

19x=171

x=171/19

x=9

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