x-4+7x=18-x

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Solution for x-4+7x=18-x equation: 



x-4+7x=18-x

We move all terms to the left:

x-4+7x-(18-x)=0

We add all the numbers together, and all the variables

x+7x-(-1x+18)-4=0

We add all the numbers together, and all the variables

8x-(-1x+18)-4=0

We get rid of parentheses

8x+1x-18-4=0

We add all the numbers together, and all the variables

9x-22=0

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

9x=22

x=22/9

x=2+4/9

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