3x-6+4x=18-x

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Solution for 3x-6+4x=18-x equation: 



3x-6+4x=18-x

We move all terms to the left:

3x-6+4x-(18-x)=0

We add all the numbers together, and all the variables

3x+4x-(-1x+18)-6=0

We add all the numbers together, and all the variables

7x-(-1x+18)-6=0

We get rid of parentheses

7x+1x-18-6=0

We add all the numbers together, and all the variables

8x-24=0

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

8x=24

x=24/8

x=3

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