weezie79
weezie79 weezie79
  • 23-06-2021
  • Mathematics
contestada

Given the system of equations, what is the solution? 2x+y = -1 х- у = -5​

Respuesta :

byegen byegen
  • 23-06-2021

Answer:

x=-2, y=3

Step-by-step explanation:

make it easy first, solve for x in the second equation: x= -5+y.

then sub that in for the other x: 2(-5+y)+y= -1

now combine like terms: -10+3y= -1

solve for y: 3y=9, y= 3

then replace y for your second equation: x-3= -5

solve for x= -5+3.... so then its -2

check by replacing all variables with your new solutions:

2(-2), which is -4+3 does equal -1

(-2) -3 does equal -5.

your answers are x=-2, y=3

Answer Link

Otras preguntas

Two colorless solutions are mixed together bubbles form as the solution is stirred give two possible explanations for this result
6|6-4x|=8x+4 Need help solving the equation. I need help checking the extraneous solutions too.
the reptile house at the zoo has an iguana that is 5/6 yards long. It has a gila monster that is 4/5 of the length of the iguana. How long is the gial monster?
how do you solve 0.8a-6=0.4
Who controlled the land west of Mississippi River during the American Revolution?
The quotient of n and 8
Who wrote The Republic in ancient Greece? Aristotle Herodotus Plato Socrates
what advantage do seeds give a plant
m +3n= 7;n= -2, 0, 1
What does cuál es la fecha de hoy mean and how would I answer it