3x+2(x-3)+12=31

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Solution for 3x+2(x-3)+12=31 equation: 



3x+2(x-3)+12=31

We move all terms to the left:

3x+2(x-3)+12-(31)=0

We add all the numbers together, and all the variables

3x+2(x-3)-19=0

We multiply parentheses

3x+2x-6-19=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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