28=-7(2-x)

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



28=-7(2-x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-7(-1x+2))+28=0



We calculate terms in parentheses: -(-7(-1x+2)), so:

-7(-1x+2)

We multiply parentheses

7x-14

Back to the equation:

-(7x-14)



We get rid of parentheses

-7x+14+28=0

We add all the numbers together, and all the variables

-7x+42=0

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

-7x=-42

x=-42/-7

x=+6

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