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

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



X+(X-4)+(3X+7)=-2

We move all terms to the left:

X+(X-4)+(3X+7)-(-2)=0

We add all the numbers together, and all the variables

X+(X-4)+(3X+7)+2=0

We get rid of parentheses

X+X+3X-4+7+2=0

We add all the numbers together, and all the variables

5X+5=0

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

5X=-5

X=-5/5

X=-1

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