20=-5(4+x)

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Solution for 20=-5(4+x) equation: 



20=-5(4+x)

We move all terms to the left:

20-(-5(4+x))=0

We add all the numbers together, and all the variables

-(-5(x+4))+20=0



We calculate terms in parentheses: -(-5(x+4)), so:

-5(x+4)

We multiply parentheses

-5x-20

Back to the equation:

-(-5x-20)



We get rid of parentheses

5x+20+20=0

We add all the numbers together, and all the variables

5x+40=0

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

5x=-40

x=-40/5

x=-8

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