Question

Use the substitution method to solve the system of equations. Choose the correct ordered pair. 3x-y=3 y=2x+2

Answer 1

B. (5,12)

Explanation:

APEX

Answer 2

We have been given that

3x - y = 3 and

y = 2x + 2

Substitute y = 2x + 2 in the first equation, we get,

3x - (2x + 2) = 3

3x - 2x - 2 = 3

x - 2 = 3

x = 5

y = 2x + 2

= 2(5) + 2

= 12

Hence, the solution is (5, 12).