X+2x+7=2x+12

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Solution for X+2x+7=2x+12 equation: 



X+2X+7=2X+12

We move all terms to the left:

X+2X+7-(2X+12)=0

We add all the numbers together, and all the variables

3X-(2X+12)+7=0

We get rid of parentheses

3X-2X-12+7=0

We add all the numbers together, and all the variables

X-5=0

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

X=5

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