3+2x=7-x

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



3+2x=7-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

2x+1x-7+3=0

We add all the numbers together, and all the variables

3x-4=0

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

3x=4

x=4/3

x=1+1/3

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