3x-12+x-3=2+4

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Solution for 3x-12+x-3=2+4 equation: 



3x-12+x-3=2+4

We move all terms to the left:

3x-12+x-3-(2+4)=0

We add all the numbers together, and all the variables

3x+x-12-3-6=0

We add all the numbers together, and all the variables

4x-21=0

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

4x=21

x=21/4

x=5+1/4

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