(-7)+20=(-2x)

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



(-7)+20=(-2x)

We move all terms to the left:

(-7)+20-((-2x))=0

We add all the numbers together, and all the variables

-((-2x))+13=0



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

(-2x)

We get rid of parentheses

-2x

Back to the equation:

-(-2x)



We get rid of parentheses

2x+13=0

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

2x=-13

x=-13/2

x=-6+1/2

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