Question

x+y=4;2x+5y=1 my maths question​

Answer 1

Answer:

solution of the linear equation are x=19/3 and y=-7/3

Answer 2

Answer:

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