-40+30x=-100

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Solution for -40+30x=-100 equation: 



-40+30x=-100

We move all terms to the left:

-40+30x-(-100)=0

We add all the numbers together, and all the variables

30x+60=0

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

30x=-60

x=-60/30

x=-2

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