3x+6=7-x

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Solution for 3x+6=7-x equation: 



3x+6=7-x

We move all terms to the left:

3x+6-(7-x)=0

We add all the numbers together, and all the variables

3x-(-1x+7)+6=0

We get rid of parentheses

3x+1x-7+6=0

We add all the numbers together, and all the variables

4x-1=0

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

4x=1

x=1/4

x=1/4

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