Question

Solve the system by substitution

Answer 1

(9.1) is coordinates so y=1 & X=9

Answer 2

y=1 x=9

Explanation:

-4(9y) + y = -35

-36y+y=-35

-35y= -35

y=1

To check-

-4(9) + 1 = -35

-36 + 1 =-35