hyorim1310 hyorim1310
  • 23-07-2021
  • Mathematics
contestada

( x + 3 )( y + 2 ) = xy - 5
( x + 2 )( y - 3 ) = xy

Respuesta :

learnwithdenizhan
learnwithdenizhan learnwithdenizhan
  • 23-07-2021

Answer:

xy+2x+3y+6=xy-5 .............(1)

xy-3x+2y-6=xy.....,.,(2)

2x+3y=-11

-4x+2y=6

first equation multiply by 2

(2)*(2x+3y)=-11

4x+6y=-22

-4x+2y=6

8y=-16 y=(-2),,,,, x=(-2,5)

Answer Link

Otras preguntas

El café con leche mío está caliente.
What is standard form for 3,060,520
what is defined as anything made up of atoms that has mass and takes up space
Choose the best description for the real number 4 point 6 repeating. Irrational, because it is a terminating decimal Irrational, because it is a repeating dec
is that the correct answer to that question
Scrie in versuri o posibila replica a caietului,la cele spuse de stiloul infumurat
correct the dialogue. president Woodrow Wilson said baseball is the national pastime
someone please help me
que no se puede resistir reprimir o contener
In “The Snowstorm,” what might Emerson mean by the metaphor “the trumpets of the sky