Question

3. Solve using elimination.
x + 2y = 6
-x-y=-5

Answer 1

(4,1)

Explanation:

x + 2y = 6

-x-y=-5

x= 6-2y

-x-y=-5

-(6-2y)-y=-5

y=1

x=6-2×1

x=4

(4,1)