Solve for y
y=12
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200-10y+5y=140
Use the distributive property to multiply 10 by 20-y.
200-5y=140
Combine -10y and 5y to get -5y.
-5y=140-200
Subtract 200 from both sides.
-5y=-60
Subtract 200 from 140 to get -60.
y=\frac{-60}{-5}
Divide both sides by -5.
y=12
Divide -60 by -5 to get 12.
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