7-3x=-x-4x

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



7-3x=-x-4x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3x+5x+7=0

We add all the numbers together, and all the variables

2x+7=0

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

2x=-7

x=-7/2

x=-3+1/2

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