7x-28=-2(5-8x)

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Solution for 7x-28=-2(5-8x) equation: 



7x-28=-2(5-8x)

We move all terms to the left:

7x-28-(-2(5-8x))=0

We add all the numbers together, and all the variables

7x-(-2(-8x+5))-28=0



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

-2(-8x+5)

We multiply parentheses

16x-10

Back to the equation:

-(16x-10)



We get rid of parentheses

7x-16x+10-28=0

We add all the numbers together, and all the variables

-9x-18=0

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

-9x=18

x=18/-9

x=-2

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