Question

2x+3y=12 and 3x-5y=15 by guassian elimination method​

Answer 1

Answer:

(x , y) = [ - 7 , 19 ]

2 6

Step-by-step explanation:

2x + 3y = 12 ----- 1 (× 3)

3x - 5y = 15 ----- 2 (× 2)

6x + 9y - 36 = 0 ----- 3

6x - 10y - 30 = 0 ----- 4

- + +

_____________

19y - 6 = 0

19y = 6

y = 19

6

Putting value of y in equation 1

2x + 3(19) = 12

3

2x + 19 = 12

2x = 12 - 19

2x = - 7

x = - 7

2

Hope it helps you....