3x-8+x=5x+12

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Solution for 3x-8+x=5x+12 equation: 



3x-8+x=5x+12

We move all terms to the left:

3x-8+x-(5x+12)=0

We add all the numbers together, and all the variables

4x-(5x+12)-8=0

We get rid of parentheses

4x-5x-12-8=0

We add all the numbers together, and all the variables

-1x-20=0

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

-x=20

x=20/-1

x=-20

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