40+20x=-20

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Solution for 40+20x=-20 equation: 



40+20x=-20

We move all terms to the left:

40+20x-(-20)=0

We add all the numbers together, and all the variables

20x+60=0

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

20x=-60

x=-60/20

x=-3

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