Question

Determine which point is the solution to the given system y=7x-26, y=4x-11

Answer 1

substitution
y = 7x-26 (1)

y = 4x-11 (2)

1⇒2

7x-26=4x-11

3x=15

x=5

y = 7(5)-26

y = 9

point (5,9)