Question

X-2y=8
- 2x+4y=-16
Can you solve system of equations?

Answer 1

+
By substitution… x = 8-2y
Insert in second equation
-2 ( 8-2y) + 4 y = -16
-16 +4y +4y = -16
8y = 0
If y is 0 then x = 8 by going back to x = 8 -2y


(8, 0)