Xanderr Xanderr
  • 02-10-2020
  • Mathematics
contestada

Plz help me.
Solve the system of linear equations by substitution
X+y=-7
-5x+y=5

Respuesta :

jennyzhang096 jennyzhang096
  • 05-10-2020

Answer:

x= -2 y= -5

Step-by-step explanation:

X+y=-7

x+-y-7

-5(-y-7)+y=5

5y+35+y=5

6y+35=5

6y=5-s5

6y=-30

y=-5

-5x+(-5)=5

-5x=5+5

-5x=10

x=-2

Answer Link

Otras preguntas

two consecutive even integers of -102
an equivalent equation for (a^1/2 times b^1/3)^1/2
which expression shows the simplified form of (8r^-5)^-3
can someone answer these for me and show work
Which does NOT describe an inference? Question 1 options: An educated guess Taking what you see and adding what you know to draw a conclusion Summarizi
Please helpppppp meeeee I neeeed answerssssssss
Mobile commerce (m-commerce) is based on the ____ protocol
Select 3 ratios that are equivalent to 8:5
What factors led to the schism?
What are the next three terms of each number pattern: 2,8,32,128