Solve for y
y=4500
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60000-20y+16y=42000
Use the distributive property to multiply 20 by 3000-y.
60000-4y=42000
Combine -20y and 16y to get -4y.
-4y=42000-60000
Subtract 60000 from both sides.
-4y=-18000
Subtract 60000 from 42000 to get -18000.
y=\frac{-18000}{-4}
Divide both sides by -4.
y=4500
Divide -18000 by -4 to get 4500.
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