danielemack danielemack
  • 06-05-2020
  • Mathematics
contestada

(04.02 MC)
Solve the system of equations.
5x + y = 9
3x + 2y = 4

Respuesta :

wowtylerrrr
wowtylerrrr wowtylerrrr
  • 06-05-2020

Answer:

(2,-1)

Step-by-step explanation:

Multiply first equation by 2:

10x + 2y = 18

Subtract the second equation from this so that the 2y terms cancel:

10x - 3x = 18 - 4

7x = 14

x = 2

Plug into first equation to find y:

5(2) + y = 9

10 + y = 9

y = -1

The answer is (2,-1)

Answer Link
amiahtaylor24
amiahtaylor24 amiahtaylor24
  • 06-05-2020
Answer I git was (2-1)
Answer Link

Otras preguntas

A poker game requires players to draw a card and roll a die. The combination of card and die will determine if a player wins. There are: 13 different types of
aerosol can carry warnings on their labels that say not to incinerate (burn ) them or store the cans above a certain temperature. the gas in a used aerosol can
One question WILL GIVE BRAINLIEST please answer
2/4+3/2+1/4 I need help
Two independent companies, Denver and Bristol, each own a warehouse, and they agree to an exchange in which no cash changes hands. The following information for
CAN AN EXPERT< ACE< MODERATOR OR GENIUS HELPP ME WITT THIS PLSSSSSSSSSSSSSS!!!!!!!!!!!!!!!!!!!!!!!!
Determine whether each relation is a function. If so, provide the domain and range. a. Width versus area. Width (m) | Area (m2) 1 6 5 50 10 150 11 176 14 2
The angles in this diagram are complementary. What is the value of x? (4x )° (2x + 6)°
Please please help i need thisrigt now
Why do radio telescopes convert radio waves (analog signals) to electrical (digital) signals for analysis?