80+3x=20

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Solution for 80+3x=20 equation: 



80+3x=20

We move all terms to the left:

80+3x-(20)=0

We add all the numbers together, and all the variables

3x+60=0

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

3x=-60

x=-60/3

x=-20

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