3x-12=1-2x+7

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Solution for 3x-12=1-2x+7 equation: 



3x-12=1-2x+7

We move all terms to the left:

3x-12-(1-2x+7)=0

We add all the numbers together, and all the variables

3x-(-2x+8)-12=0

We get rid of parentheses

3x+2x-8-12=0

We add all the numbers together, and all the variables

5x-20=0

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

5x=20

x=20/5

x=4

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