8=2x+x-4

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Solution for 8=2x+x-4 equation: 



8=2x+x-4

We move all terms to the left:

8-(2x+x-4)=0

We add all the numbers together, and all the variables

-(3x-4)+8=0

We get rid of parentheses

-3x+4+8=0

We add all the numbers together, and all the variables

-3x+12=0

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

-3x=-12

x=-12/-3

x=+4

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