3x+7x=-4x

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Solution for 3x+7x=-4x equation: 



3x+7x=-4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

10x-(-4x)=0

We get rid of parentheses

10x+4x=0

We add all the numbers together, and all the variables

14x=0

x=0/14

x=0

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