olivialynnbobb14 olivialynnbobb14
  • 11-12-2019
  • Mathematics
contestada

3x+5y=74 and 1x+1y=20

Respuesta :

Yang100
Yang100 Yang100
  • 13-12-2019

Answer:

x=13, y=7. (13, 7).

Step-by-step explanation:

3x+5y=74

x+y=20

-------------

x=20-y

3(20-y)+5y=74

60-3y+5y=74

60+2y=74

2y=74-60

2y=14

y=14/2

y=7

x+7=20

x=20-7

x=13

Answer Link
mariacasalez25 mariacasalez25
  • 18-06-2022

Answer:

x=13, y=7. (13, 7).

Answer Link

Otras preguntas

Why was the Pax Romana called Pax? Select one: a. It was a time of vicious military conflict. b. It was a time of relatively little military activity. c. It was
Divide 969 by 26. A. 32 r 6 B. 28 r 5 C. 29 r 17 D. 37 r 7
Which form of the modifier correctly completes the sentence? That hat looks really __________ on you. A. well B. good
what 4 consecutive whole numbers add to 54
Which German journalist wrote about the struggle between the classes and the overthrow of capitalism in his book, Das Kapital? A. Charles Darwin B. Karl Marx C.
4y=3/x^2+2, what is the value of x?
Whom did President Nixon choose as his national security adviser? Rachel Carson Leonid Brezhnev Henry Kissinger Gerald Ford
apathy A. being aware of B. lack of feeling C. sense of excitement D. lack of trust
Solve the area formula for a triangle, A = 1/2bh , for h. a) [tex]h= \frac{2b}{A} [/tex] b) [tex]h= \frac{2A}{b} [/tex] c) [tex]h= \frac{A}{2b} [/tex] d) [tex
If the flour to sugar ratio is 5 cups flour to 1 cup sugar, then how much sugar is needed if only 2 cups of flour are used? (Give the answer as a fraction)