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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

3x-4x-2x-7-5=0

We add all the numbers together, and all the variables

-3x-12=0

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

-3x=12

x=12/-3

x=-4

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