-220=-5x+5(-3x-20)

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Solution for -220=-5x+5(-3x-20) equation: 



-220=-5x+5(-3x-20)

We move all terms to the left:

-220-(-5x+5(-3x-20))=0



We calculate terms in parentheses: -(-5x+5(-3x-20)), so:

-5x+5(-3x-20)

We multiply parentheses

-5x-15x-100

We add all the numbers together, and all the variables

-20x-100

Back to the equation:

-(-20x-100)



We get rid of parentheses

20x+100-220=0

We add all the numbers together, and all the variables

20x-120=0

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

20x=120

x=120/20

x=6

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