-3-20-7x=-2(5x+10)

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Solution for -3-20-7x=-2(5x+10) equation: 



-3-20-7x=-2(5x+10)

We move all terms to the left:

-3-20-7x-(-2(5x+10))=0

We add all the numbers together, and all the variables

-7x-(-2(5x+10))-23=0



We calculate terms in parentheses: -(-2(5x+10)), so:

-2(5x+10)

We multiply parentheses

-10x-20

Back to the equation:

-(-10x-20)



We get rid of parentheses

-7x+10x+20-23=0

We add all the numbers together, and all the variables

3x-3=0

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

3x=3

x=3/3

x=1

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