3x+4=12-x=4x-18

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Solution for 3x+4=12-x=4x-18 equation: 



3x+4=12-x=4x-18

We move all terms to the left:

3x+4-(12-x)=0

We add all the numbers together, and all the variables

3x-(-1x+12)+4=0

We get rid of parentheses

3x+1x-12+4=0

We add all the numbers together, and all the variables

4x-8=0

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

4x=8

x=8/4

x=2

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