3x-2x=5+7

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Solution for 3x-2x=5+7 equation: 



3x-2x=5+7

We move all terms to the left:

3x-2x-(5+7)=0

We add all the numbers together, and all the variables

3x-2x-12=0

We add all the numbers together, and all the variables

x-12=0

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

x=12

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