letsplaycsgo08 letsplaycsgo08
  • 13-07-2018
  • Mathematics
contestada

Solve the system of equations. (1 point) 5x + y = 9 3x + 2y = 4 (−2, 5) (1, 4) (2, −1) (4, −4)

Respuesta :

leele1
leele1 leele1
  • 13-07-2018

Heyo, the answer is (2,-1).

5x+y=9

3x+2y=4


I went ahead and multiplied the first equation by -2(so I can get rid of the y's)

-10x-2y=-18

3x+2y=4

Just simply add now

-7x=-14

Divide by -7 to get x by itself

x=2



Answer Link
Eliasros1
Eliasros1 Eliasros1
  • 01-12-2020

Answer:

The answer would be (2,-1)

I took the test and got it right!

Answer Link

Otras preguntas

The first step in beginning to control your time is A. buying a home computer. B. developing a time log. C. buying a phone answering machine. D. scheduling lar
Which was NOT a duty of serfs? Building roads Military aid Recruiting of new serfs Farming and crop harvesting
why is bulimia not a healthy nutrition choice? provide an example.
Jackie has 10 groups of pennies with 3 pennies in each group. Carlos has 5 groups of pennies with 100 pennies in each group. Who has more pennies? Explain how y
the breaking down of earths crust is called
how topography does affect climate?
In an experiment where you change only the temperature, temperature is called what
Which of these was NOT a period of the Mesozoic? Triassic Jurassic Cretaceous Quaternary
Locate the complete adjective phrase and the noun modified: The conductor of the train collected the tickets.
How do you round to the nearest ten 3/10