Answer:
15 - n/3 = 20
n = -15
Step-by-step explanation:
Decreased means subtract
15 -
quotient means divide
15 - n/3
Is means equals
15 - n/3 = 20
To solve subtract 15 from both sides
15-15 - n/3 = 20-15
-n/3 = 5
Multiply each side by -3
-3 * (-n/3) = 5*-3
n = -15
