-15=2x-4(5-2x)

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Solution for -15=2x-4(5-2x) equation: 



-15=2x-4(5-2x)

We move all terms to the left:

-15-(2x-4(5-2x))=0

We add all the numbers together, and all the variables

-(2x-4(-2x+5))-15=0



We calculate terms in parentheses: -(2x-4(-2x+5)), so:

2x-4(-2x+5)

We multiply parentheses

2x+8x-20

We add all the numbers together, and all the variables

10x-20

Back to the equation:

-(10x-20)



We get rid of parentheses

-10x+20-15=0

We add all the numbers together, and all the variables

-10x+5=0

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

-10x=-5

x=-5/-10

x=1/2

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