3x+2x-7x=18

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Solution for 3x+2x-7x=18 equation: 



3x+2x-7x=18

We move all terms to the left:

3x+2x-7x-(18)=0

We add all the numbers together, and all the variables

-2x-18=0

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

-2x=18

x=18/-2

x=-9

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