-3-x=-4(2x+7)

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Solution for -3-x=-4(2x+7) equation: 



-3-x=-4(2x+7)

We move all terms to the left:

-3-x-(-4(2x+7))=0

We add all the numbers together, and all the variables

-1x-(-4(2x+7))-3=0



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

-4(2x+7)

We multiply parentheses

-8x-28

Back to the equation:

-(-8x-28)



We get rid of parentheses

-1x+8x+28-3=0

We add all the numbers together, and all the variables

7x+25=0

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

7x=-25

x=-25/7

x=-3+4/7

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