Solve for y
y=2
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100-20y=60
Multiply 25 and 4 to get 100.
-20y=60-100
Subtract 100 from both sides.
-20y=-40
Subtract 100 from 60 to get -40.
y=\frac{-40}{-20}
Divide both sides by -20.
y=2
Divide -40 by -20 to get 2.
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