Clutz Clutz
  • 13-11-2014
  • Mathematics
contestada

How do you solve the linear equation:
3x+2y=11
7x-y=3
By using the elimination method?!

Respuesta :

aayushg999
aayushg999 aayushg999
  • 13-11-2014


3x + 2y = 11

2(7x - y) = 2(3)

14x-2y=6

Adding both equations
3x + 2y = 11

14x-2y=6

17x=17

x=1

substitute x = 1 in any equation

3(1) + 2y = 11

2y = 8

y = 4

Solution: x=1 y=4

Answer Link

Otras preguntas

The diameter of your bicycle wheel is 20 inches. How far will you move in one turn of your wheel? a. 56.3 inches c. 125.6 inches b. 62.8 inches d. 74.6 inches
Juno calculated the area of a square to be 4/9 square yard. Which shows the side length of the square? A 2/9 yard B 4/9 yard C 2/3 yard D 8/9 yard
The symmetry exhibited by adult echinoderms is ______________.
what happens when sulphur trioxide reacts with concentrated sulphur acid ?
help help help help!
Where would you expect to find a chain of volcanic mountains on the map below? A B C D
Why did government action fail to address conflicts over slavery period 5 apush?
The temperature of rinse water in a warewashing machine that uses chemical sanitizing should be between
Fantasy sport leagues give media sport consumers an opportunity to put themselves in the position of
According to coleman, the two most important elements in social capital are: