Thweirdworld97
Thweirdworld97 Thweirdworld97
  • 24-03-2020
  • Mathematics
contestada

-4x+3y=-2

y=x-1

y=? x=?​

Respuesta :

alenklimenta
alenklimenta alenklimenta
  • 24-03-2020

Answer:

x=-1 , y=-2

Step-by-step explanation:

Replace y in the first equation with x-1.

So, we have -4x+3(x-1)=-2

Multiply brackets with 3: -4x+3x-3=-2

-4x+3x=-2+3 (-3 becomes +3 after it changes sides)

-x=1 /*(-1)

x=-1

After we have x we include it in y=x-1

y=-1-1

y=-2

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