4=3x+x-4

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



4=3x+x-4

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(4x-4)+4=0

We get rid of parentheses

-4x+4+4=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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