3x+4=4-x

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Solution for 3x+4=4-x equation: 



3x+4=4-x

We move all terms to the left:

3x+4-(4-x)=0

We add all the numbers together, and all the variables

3x-(-1x+4)+4=0

We get rid of parentheses

3x+1x-4+4=0

We add all the numbers together, and all the variables

4x=0

x=0/4

x=0

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