Question

4x+7y=-14 x+4y=-8
Solve by substitution

Answer 1

Answer:

x=0

y=-2

Step-by-step explanation:

x+4y=-8

x=-4y-8

4x+7y=-14

4(-4y-8)+7y=-14

-16y-32+7y=-14

-9y=-14+32

-9y=18

y=-2

x=-4*-2-8=8-8=0