Question

2x+3y=7,6x+7y=11 solve of pratisthapan​

Answer 1

Answer:

2x+6x,7y+3y

8x,10y=11

Answer 2

Step-by-step explanation:

2x +3y = 7........(1)

6x +7y = 11.......(2)

multiply (1).by 3=>

6x +9y = 21....(3)

(3) - (2)=>

6x +9y = 21

6x +7y = 11

- - -

____________

2y = 10

y = 5

put y = 5 in (2)

6x +7y = 11

6x + 35 = 11

6x = 24

x = 4

(x,y) = (4,5)