49=-3x-2(-x-20)

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Solution for 49=-3x-2(-x-20) equation: 



49=-3x-2(-x-20)

We move all terms to the left:

49-(-3x-2(-x-20))=0

We add all the numbers together, and all the variables

-(-3x-2(-1x-20))+49=0



We calculate terms in parentheses: -(-3x-2(-1x-20)), so:

-3x-2(-1x-20)

We multiply parentheses

-3x+2x+40

We add all the numbers together, and all the variables

-1x+40

Back to the equation:

-(-1x+40)



We get rid of parentheses

1x-40+49=0

We add all the numbers together, and all the variables

x+9=0

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

x=-9

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