x+13+2x=8x-12

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Solution for x+13+2x=8x-12 equation: 



x+13+2x=8x-12

We move all terms to the left:

x+13+2x-(8x-12)=0

We add all the numbers together, and all the variables

3x-(8x-12)+13=0

We get rid of parentheses

3x-8x+12+13=0

We add all the numbers together, and all the variables

-5x+25=0

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

-5x=-25

x=-25/-5

x=+5

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