3x+5x+4=-4(-2x-1)

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Solution for 3x+5x+4=-4(-2x-1) equation: 



3x+5x+4=-4(-2x-1)

We move all terms to the left:

3x+5x+4-(-4(-2x-1))=0

We add all the numbers together, and all the variables

8x-(-4(-2x-1))+4=0



We calculate terms in parentheses: -(-4(-2x-1)), so:

-4(-2x-1)

We multiply parentheses

8x+4

Back to the equation:

-(8x+4)



We get rid of parentheses

8x-8x-4+4=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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