28=-7x+2(5x-4)

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Solution for 28=-7x+2(5x-4) equation: 



28=-7x+2(5x-4)

We move all terms to the left:

28-(-7x+2(5x-4))=0



We calculate terms in parentheses: -(-7x+2(5x-4)), so:

-7x+2(5x-4)

We multiply parentheses

-7x+10x-8

We add all the numbers together, and all the variables

3x-8

Back to the equation:

-(3x-8)



We get rid of parentheses

-3x+8+28=0

We add all the numbers together, and all the variables

-3x+36=0

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

-3x=-36

x=-36/-3

x=+12

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