Solve for y
y=\frac{2}{21}\approx 0.095238095
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3+21y=5
Combine 6y and 15y to get 21y.
21y=5-3
Subtract 3 from both sides.
21y=2
Subtract 3 from 5 to get 2.
y=\frac{2}{21}
Divide both sides by 21.
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