Question

1) solve by cross multuplication method 1)x+2y+1=0 2x-3y-12=0
2)3x-2y+3=0 4x+3y-42=0
3)6x-5y-16=0 7x-13y+10=0
4)2x+5y-1=0. 2x+3y-3=0

2)Solve using reducible method
15/x-y + 22/x+y =5
40/x-y + 55/x+y=13

3)The sum of digit of 2 digit number is 15.The number obtained by interchanging the digit exist the given number by 9.Find the number.

Answer 1

this was incorrect statement

Answer 2

6:6*9/$/5:+:-58+?66/9="#