eaandazola420 eaandazola420
  • 14-09-2020
  • Mathematics
contestada

2x + 3y = -3
x + 2y = 2

Respuesta :

openbail20
openbail20 openbail20
  • 14-09-2020

Answer:

X= -12 Y= 7

Step-by-step explanation:

Answer Link
nooratoma20202 nooratoma20202
  • 14-09-2020

Answer:

x=-12, y= 7

(-12,7)

Step-by-step explanation:

use elimination method

2x+3y=-3

x+2y=2

so

-2(x+2y=-3)

-2x-4y=-4

2x+3y=-3

x gets eliminated

-y=-7, -y/-1=-7/-1 = y= 7

plug 7 in one of the equations

x+2(7)=2

x+14=2 subtract 14 by both side

x=-12

to check the answers just plug in -12 in x and 7 in y

-12+2(7)=2

-12+14=2

2=2

Answer Link

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