Question

Using substitution method solve the question to 2a + b = 3 and 3A + 2B = 0​

Answer 1

a = 6 , b = -9

Explanation:

2a + b = 3

b = -2a + 3

3a + 2(-2a + 3) = 0

3a - 4a + 6 = 0

-a = -6

a = 6

2(6) + b = 3

12 + b = 3

b = -9