7x-x=-3(-5x-7)+3(-2-2x)

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Solution for 7x-x=-3(-5x-7)+3(-2-2x) equation: 



7x-x=-3(-5x-7)+3(-2-2x)

We move all terms to the left:

7x-x-(-3(-5x-7)+3(-2-2x))=0

We add all the numbers together, and all the variables

7x-x-(-3(-5x-7)+3(-2x-2))=0

We add all the numbers together, and all the variables

6x-(-3(-5x-7)+3(-2x-2))=0



We calculate terms in parentheses: -(-3(-5x-7)+3(-2x-2)), so:

-3(-5x-7)+3(-2x-2)

We multiply parentheses

15x-6x+21-6

We add all the numbers together, and all the variables

9x+15

Back to the equation:

-(9x+15)



We get rid of parentheses

6x-9x-15=0

We add all the numbers together, and all the variables

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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