2x-3y=7; 5x+y=9solveby method of elimination
Answers
Answered by
3
2x- 3y = 7 ,-------------(1)
5x+y = 9 ----------------(2)
(1),+3(2)
2x -3y = 7
15x + 3y =27
------------------
17x= 34
-------------------.
x = 2
on putting the value of x in eq (2)
5(2) +y = 9
y = -1
5x+y = 9 ----------------(2)
(1),+3(2)
2x -3y = 7
15x + 3y =27
------------------
17x= 34
-------------------.
x = 2
on putting the value of x in eq (2)
5(2) +y = 9
y = -1
Similar questions