20+8x=-5(-x-7)

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Solution for 20+8x=-5(-x-7) equation: 



20+8x=-5(-x-7)

We move all terms to the left:

20+8x-(-5(-x-7))=0

We add all the numbers together, and all the variables

8x-(-5(-1x-7))+20=0



We calculate terms in parentheses: -(-5(-1x-7)), so:

-5(-1x-7)

We multiply parentheses

5x+35

Back to the equation:

-(5x+35)



We get rid of parentheses

8x-5x-35+20=0

We add all the numbers together, and all the variables

3x-15=0

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

3x=15

x=15/3

x=5

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