Solve the following system by the comparison method. 2p + q = 1 9p + 3q + 3 = 0 What is the solution set? {(-2, -5)} {(2, -5)} {(-2, 5)}

asked Jan 4, 2021 225k views

2 votes

Solve the following system by the comparison method.

2p + q = 1

9p + 3q + 3 = 0

What is the solution set?

{(-2, -5)}
{(2, -5)}
{(-2, 5)}

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2 votes

Answer:

3p=1

p=1/3

9p+3p+3=0

12p+3=0

12p=3

p=3/12

p=4

Mischa answered Jan 8, 2021