Solve for y
y<\frac{63}{2}
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2y+15<78
Multiply both sides of the equation by 3. Since 3 is positive, the inequality direction remains the same.
2y<78-15
Subtract 15 from both sides.
2y<63
Subtract 15 from 78 to get 63.
y<\frac{63}{2}
Divide both sides by 2. Since 2 is positive, the inequality direction remains the same.
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