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

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



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

We move all terms to the left:

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

We get rid of parentheses

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

-7x+2x+20=0

We add all the numbers together, and all the variables

-5x+20=0

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

-5x=-20

x=-20/-5

x=+4

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