Question

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

y = 3x - 4
x = 9

A. (9, 31)
B. (1, -1)
C. (0, -4)
D. (9, 23)

Answer 1

y = 3x - 4 
x = 9
then
y = 3x - 4 
y = 3(9) - 4 
y = 27 - 4
y = 23

solution (9, 23)


answer

D. (9, 23)

Answer 2

Answer:

D. (9,23)

Step-by-step explanation:

correct on A P E X