-3+7-2x-1=18

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Solution for -3+7-2x-1=18 equation: 



-3+7-2x-1=18

We move all terms to the left:

-3+7-2x-1-(18)=0

We add all the numbers together, and all the variables

-2x-15=0

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

-2x=15

x=15/-2

x=-7+1/2

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