-100=-3x+2(-2x-15)

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Solution for -100=-3x+2(-2x-15) equation: 



-100=-3x+2(-2x-15)

We move all terms to the left:

-100-(-3x+2(-2x-15))=0



We calculate terms in parentheses: -(-3x+2(-2x-15)), so:

-3x+2(-2x-15)

We multiply parentheses

-3x-4x-30

We add all the numbers together, and all the variables

-7x-30

Back to the equation:

-(-7x-30)



We get rid of parentheses

7x+30-100=0

We add all the numbers together, and all the variables

7x-70=0

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

7x=70

x=70/7

x=10

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