Question

Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y).
x - 2y = -4
2x - y = 1

Answer 1

x=-4+2y
2(-4+2y)-y=1
-8+4y-y=1
-8+3y=1
3y=1--8
3y=9
y=3
x-2y=-4
x-2(3)=-4
x-6=-4
x=-4+6
x=2
(2,3)