Question

Determine if the given point is a solution to the system

Answer 1

(4,-8) and the equatons are y=-2x and 3x+y=-4

sub them to see if true
(x,y)
(4,-8)
x=4
y=-8

first one
y=-2x
-8=-2(4)
-8=-8
true

2nd one
3x+y=-4
3(4)+(-8)=-4
12-8=4
4=4
true

it is a solution