7(11-3x)+9x=-12x-7(x+10)

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Solution for 7(11-3x)+9x=-12x-7(x+10) equation: 



7(11-3x)+9x=-12x-7(x+10)

We move all terms to the left:

7(11-3x)+9x-(-12x-7(x+10))=0

We add all the numbers together, and all the variables

7(-3x+11)+9x-(-12x-7(x+10))=0

We add all the numbers together, and all the variables

9x+7(-3x+11)-(-12x-7(x+10))=0

We multiply parentheses

9x-21x-(-12x-7(x+10))+77=0



We calculate terms in parentheses: -(-12x-7(x+10)), so:

-12x-7(x+10)

We multiply parentheses

-12x-7x-70

We add all the numbers together, and all the variables

-19x-70

Back to the equation:

-(-19x-70)



We add all the numbers together, and all the variables

-12x-(-19x-70)+77=0

We get rid of parentheses

-12x+19x+70+77=0

We add all the numbers together, and all the variables

7x+147=0

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

7x=-147

x=-147/7

x=-21

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