(-3x-7)+4=-2(x-9)

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Solution for (-3x-7)+4=-2(x-9) equation: 



(-3x-7)+4=-2(x-9)

We move all terms to the left:

(-3x-7)+4-(-2(x-9))=0

We get rid of parentheses

-3x-(-2(x-9))-7+4=0



We calculate terms in parentheses: -(-2(x-9)), so:

-2(x-9)

We multiply parentheses

-2x+18

Back to the equation:

-(-2x+18)



We add all the numbers together, and all the variables

-3x-(-2x+18)-3=0

We get rid of parentheses

-3x+2x-18-3=0

We add all the numbers together, and all the variables

-1x-21=0

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

-x=21

x=21/-1

x=-21

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