Question

x+y=4 ; 2x-5y=1 dp mere Mamu ki h​

Answer 1

x+y=4 ___(1), 2x−5y=1__(2)

multiply eq. (1) by 2.

and then subtract eq. (2)

2x+2y=8

2x−5y=1

- + -

____________

7y=7

y=1

x+y=4

x+1=4

x=3

Answer 2

Answer:

x+y=4

x=4-y

2x-5y=1

2(4-y)-5y=1

8-2y-5y=1

-7y=-7

y=1

x=4-y

x=4-1

x=3

Hope it helps u

Step-by-step explanation:

Apni dp lagao na yaar sweetie