3x+12=5-4x+7

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Solution for 3x+12=5-4x+7 equation: 



3x+12=5-4x+7

We move all terms to the left:

3x+12-(5-4x+7)=0

We add all the numbers together, and all the variables

3x-(-4x+12)+12=0

We get rid of parentheses

3x+4x-12+12=0

We add all the numbers together, and all the variables

7x=0

x=0/7

x=0

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