Question

solve by elimination method 2x-3y=7 ;5x+y=9​

Answer 1

Step-by-step explanation:

Ans. Full solution in the picture

x=2

y=(-1)

Answer 2

Answer:

follow this method

Step-by-step explanation:

2x-3y=7 ---> eq no 1

[5x+y=9]×3 ---> 15x+3y=27 --->eq no 2

adding eq 1 and 2,we get

17x=34

x=34/17

x=2

substituting value of x in eq no 1 we get

2×2-3y=7

4-3y=7

-3y=7-4

y=3/-3

y= -1

so the value of x=2 and y= -1