280+2y=140

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Solution for 280+2y=140 equation: 



280+2y=140

We move all terms to the left:

280+2y-(140)=0

We add all the numbers together, and all the variables

2y+140=0

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

2y=-140

y=-140/2

y=-70

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