Question

{y=x−75x+2y=7 Use the substitution method. (0, −7) (3, −4) (7, 0) (−1, −8)

Answer 1

A) y=x−7
B) 5x+2y=7
A) x = y + 7
Substituting this into B)

y + 7 +2y = 7

3y = 0
y = 0
x = 7

Answer is C (7,0)