suzymygirl
contestada

Pls help!!
y = x + 2
2x - y = -4
Solve the system of equations using substitution.
A) (-2,-4)
B) (-2,0)
C) (-6,-4)
D) (-6,8)
E) (0,-2)

Respuesta :

ntowry

Answer:

B (-2, 0)

Step-by-step explanation:

put the first equation in for y in the second equation - watch the negative

2x - (x +2) = -4

2x - x -2 = -4

x = -2

plug this x back in to find y

y = -2 + 2 = 0

cklejka

Answer:

B

Step-by-step explanation:

plug in the answers given into both equations to see if the statements true

y=x+2

0=(-2)+2

0=0

2x-y=-4

y=2x+4

0=2(-2)+4

0=0

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