Solve for y
y=\frac{3}{151}\approx 0.01986755
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72y+4+79y=7
Add 79y to both sides.
151y+4=7
Combine 72y and 79y to get 151y.
151y=7-4
Subtract 4 from both sides.
151y=3
Subtract 4 from 7 to get 3.
y=\frac{3}{151}
Divide both sides by 151.
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