Y=2x
so what you do is sub 2x for y in the top equation
x^2+(2x)^2=5
x^2+4x^2=5
5x^2=5
divide both sides by 5
x^2=1
sqrt both sides
x=1 or -1
sub back
y=2x
y=2(-1)
y=-2
y=2(1)
y=2
the solutions are (1,2) and (-1,-2)
ill do ur hw for cashapp
insta
kk_iwi
txt and ill give u the deatails
Answer:
IDK DA ANSWER
Step-by-step explanation:
The answer is 2
Because 2-3=-1
