mmboisseau mmboisseau
  • 26-04-2021
  • Mathematics
contestada

value of x if 3x+2y=11 and 5x-y=14

Respuesta :

akilali3845
akilali3845 akilali3845
  • 26-04-2021

Answer:

3x + 2y = 11

3x + y = 11 - 2

3x + y = 9

x + y = 9/3

x + y = 3

x = 3 - y

5x - y = 14

x - y = 14/5

x - y = 2.8

x = 2.8 + y

Answer Link
drmallery drmallery
  • 26-04-2021

14Answer:

3

Step-by-step explanation:

solve for y in first equation

5x-y=14

-y=14-5x

y=5x-14

substitute y value (5x-14) into 2nd equation

3x+2 (5x-14)=11

3x+10x-28=11

13x=39

x=3

Answer Link

Otras preguntas

The graph of the function B is shown below,Find B(2)
What is the fourth term of the expansion of the binomial (2x + 5)^5?
Mr. ishimoto ordered x new math books and y new workbooks for his class. the total weight of the box of books cannot be more than 50 pounds. if each math book w
"What ees wrrrong with her eh-speech?" Carlos wagged his head at her. His anger was always more frightening in his broken English. As if he had mutilated the la
y2 + x2 = 53 y − x = 5
If f(x) = x2 and g(x) = x + 6, find g(f(0)). A. -6 B. 6 C. 12 D. 36
what is metrical foot
Propane burns in air to produce carbon dioxide and water?
While a certain isotope decays, it emits photons. What kind of decay is happening?
Which equation best represents this situation? the number 84 increased by an unknown number is equal to 115.