Question

slove find xand y 2x-3y+5=0 ; 3x+4y-1 = 0

Answer 1

2x-3y=-5. *3
3x+4y=1. *2

6x-9y=-15
6x+8y=2
-. -. -
_________
-17y= -17
y=1


2x-3y=-5
2x-3=-5
2x=-5+3
2x=-2
x=-1