7-3x=-4x=13

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Solution for 7-3x=-4x=13 equation: 



7-3x=-4x=13

We move all terms to the left:

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

We get rid of parentheses

-3x+4x+7=0

We add all the numbers together, and all the variables

x+7=0

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

x=-7

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