lindsay0345 lindsay0345
  • 11-04-2021
  • Mathematics
contestada

solve the system of equations x + y = 0 and x + 9y= -48 by combing the eqatuons

Respuesta :

fnej
fnej fnej
  • 11-04-2021

Answer:

x = 6

y = -6

Step-by-step explanation:

x + y = 0 (Multiply by -1)

x + 9y= -48

-x - y = 0

x + 9y= -48

8y = -48

y = -6

x + y = 0

x - 6 = 0

x = 6

Answer Link

Otras preguntas

what are three ways water erodes the surface of earth
What's breed of given cat???Check attachment
what are three ways water erodes the surface of earth
how have computers changed mapmaking in recent years
10u + 7 = 8 ( 2u - 4 ) - 9
on sara's computer, 3/8 of the hard drive is files. Of the files, 1/6 are games . What part of the hard drive is games?
how have computers changed mapmaking in recent years
A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h
what type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h