3x-7=1+2x+1

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Solution for 3x-7=1+2x+1 equation: 



3x-7=1+2x+1

We move all terms to the left:

3x-7-(1+2x+1)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

3x-2x-2-7=0

We add all the numbers together, and all the variables

x-9=0

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

x=9

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