-3(2x+3)-12=4(2-x)+5

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Solution for -3(2x+3)-12=4(2-x)+5 equation: 



-3(2x+3)-12=4(2-x)+5

We move all terms to the left:

-3(2x+3)-12-(4(2-x)+5)=0

We add all the numbers together, and all the variables

-3(2x+3)-(4(-1x+2)+5)-12=0

We multiply parentheses

-6x-(4(-1x+2)+5)-9-12=0



We calculate terms in parentheses: -(4(-1x+2)+5), so:

4(-1x+2)+5

We multiply parentheses

-4x+8+5

We add all the numbers together, and all the variables

-4x+13

Back to the equation:

-(-4x+13)



We add all the numbers together, and all the variables

-6x-(-4x+13)-21=0

We get rid of parentheses

-6x+4x-13-21=0

We add all the numbers together, and all the variables

-2x-34=0

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

-2x=34

x=34/-2

x=-17

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