3(x+7)+12=2(-x+4)-5x

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Solution for 3(x+7)+12=2(-x+4)-5x equation: 



3(x+7)+12=2(-x+4)-5x

We move all terms to the left:

3(x+7)+12-(2(-x+4)-5x)=0

We add all the numbers together, and all the variables

3(x+7)-(2(-1x+4)-5x)+12=0

We multiply parentheses

3x-(2(-1x+4)-5x)+21+12=0



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

2(-1x+4)-5x

We add all the numbers together, and all the variables

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

We multiply parentheses

-5x-2x+8

We add all the numbers together, and all the variables

-7x+8

Back to the equation:

-(-7x+8)



We add all the numbers together, and all the variables

3x-(-7x+8)+33=0

We get rid of parentheses

3x+7x-8+33=0

We add all the numbers together, and all the variables

10x+25=0

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

10x=-25

x=-25/10

x=-2+1/2

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