Question

Solve the following system of equations y=-2x-5 and 2x-4y=0

Answer 1

x=-2 y=-1

Explanation:

all you have to do is substitute -2x-5 for y in the second equation

2x-4(-2x-5)=0

2x+8x+20=0

10x=-20

x=-2

y=-2(-2)-5

y=4-5

y=-1