-7x+x+2x=-18

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



-7x+x+2x=-18
We move all terms to the left:
-7x+x+2x-(-18)=0
We add all the numbers together, and all the variables
-4x+18=0
We move all terms containing x to the left, all other terms to the right
-4x=-18
x=-18/-4
x=4+1/2

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