schacon
schacon schacon
  • 21-08-2019
  • Mathematics
contestada

PPLLEEASSE HELP!
Use substitution to solve the system.
-4x + 3y = 19
y= 3x + 13

x=
y=

Respuesta :

destinyh110 destinyh110
  • 21-08-2019
-4x + 3y =19
Y= 3x + 13

-4x + 3(3x + 13) =19

-4x + 9x + 39 =19

5x + 39 =19
-39 -39

5x = -20
Divide by 5 on both sides
Then you get
X = -4
Answer Link
poopscooter352
poopscooter352 poopscooter352
  • 18-11-2019

Answer:

-4

Step-by-step explanation:

16+3y=19

-16      -16

3y=3

--------

3    3

y=1

1=-12+13

1=1

Answer Link

Otras preguntas

what was done with the statues arm in philadelphia in 1876
How would you say good-bye to a friend at school whom you’ll be meeting the next day? A. Adiós. B. Hasta mañana. C. Buenas noches. D. Hasta ahora. E. Hasta
In Example 2, we saw that Airbus A330-300s seat 330 passengers and cost $250 million each, Boeing 767-300ERs seat 270 passengers and cost $200 million each, whi
Slope : 3/1 through (3,-1)
I need help with this question ;-; Measuring distance traveled in a specific amount of time is --.a. speedb. accelerationc. momentumd. inertia
HELP MEE pls!!! What was the slogan the people of France created when they overthrew the ancient government?
He hurled a bomb at the imperial carriage. Miraculously, the tsar was uninjured, but many in his retinue were not as lucky. Concerned about his people, Alexand
what are the mood of the religous songs​
what is another way of saying "this pandemic has changed all of our lives in may ways"?​
PLS HELP I DONT UNDERSTAND!! (WILL GIVE BRAINLIEST + 25 POINTS)