-x-2x-2x=120-150

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Solution for -x-2x-2x=120-150 equation: 



-x-2x-2x=120-150

We move all terms to the left:

-x-2x-2x-(120-150)=0

We add all the numbers together, and all the variables

-x-2x-2x-(-30)=0

We add all the numbers together, and all the variables

-5x+30=0

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

-5x=-30

x=-30/-5

x=+6

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