kskskz kskskz
  • 28-09-2017
  • Mathematics
contestada

Solve the system of linear equations in two variables by elimination or substitution.
3x+y=7
-2x-y=9

Respuesta :

shadowgirl890 shadowgirl890
  • 28-09-2017
3x + y = 7
-2x-y=9

3x+y=7
y=-2x-9

3x-2x-9=7
x-9=7
x=16

Answer Link
JJLAFox
JJLAFox JJLAFox
  • 03-09-2020

Answer:

x=16, y=-41

Step-by-step explanation:

Answer Link

Otras preguntas

ways that you keep your mental health in good shape.
Which measurement symbol is this?PLS HELP​
write an acrostic poem with “Survive.”
Dose exercise reduce risk hypertension an how
The title giving to people like Carnegie who invested their money to start business, such as his steel monopoly A. Entrepreneur B. Nativists C. Populist
The following two-way table describes student's after school activities. Find the probability that a randomly selected student is in sports. Grade Sports Music/
round off 698352 to the nearest 100
-20 integer whole number irrational or rational etc
what are the aspects of human relations​
What does 3D printing produce?