3x+4-x=-2x

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Solution for 3x+4-x=-2x equation: 



3x+4-x=-2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x+2x+4=0

We add all the numbers together, and all the variables

4x+4=0

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

4x=-4

x=-4/4

x=-1

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