4=-2(8+5x)

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Solution for 4=-2(8+5x) equation: 



4=-2(8+5x)

We move all terms to the left:

4-(-2(8+5x))=0

We add all the numbers together, and all the variables

-(-2(5x+8))+4=0



We calculate terms in parentheses: -(-2(5x+8)), so:

-2(5x+8)

We multiply parentheses

-10x-16

Back to the equation:

-(-10x-16)



We get rid of parentheses

10x+16+4=0

We add all the numbers together, and all the variables

10x+20=0

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

10x=-20

x=-20/10

x=-2

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