3+2x+x=2x+7

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



3+2x+x=2x+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-2x-7+3=0

We add all the numbers together, and all the variables

x-4=0

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

x=4

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