5925005260 5925005260
  • 26-01-2021
  • Mathematics
contestada

how many solutions does the system have?
y=-2x -4
y=3x + 3

Respuesta :

s40034221
s40034221 s40034221
  • 27-01-2021

Answer:

x=−7/5and y=−6/5

Step-by-step explanation:

Step: Substitute−2x−4foryiny=3x+3:

y=3x+3

−2x−4=3x+3

−2x−4+−3x=3x+3+−3x(Add -3x to both sides)

−5x−4=3

−5x−4+4=3+4(Add 4 to both sides)

−5x=7

−5x

−5

=

7

−5

(Divide both sides by -5)

x=−7/5

Answer Link

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