3.5x=18-x

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Solution for 3.5x=18-x equation: 



3.5x=18-x

We move all terms to the left:

3.5x-(18-x)=0

We add all the numbers together, and all the variables

3.5x-(-1x+18)=0

We get rid of parentheses

3.5x+1x-18=0

We add all the numbers together, and all the variables

4.5x-18=0

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

4.5x=18

x=18/4.5

x=4

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