Tentukan penyelesaian persamaan linear 1. 5x + y + 2 = 0 2. 2x + 3y – 7 = 0

X = -1, Y= 3……………..

5x+y= -2 x3 15x+3y= -6
2x+3y= 7 x1 2x+3y= 7
dikurangi 13x= -13
x= -1

2(-1)+3y=7
-2+3y=7
3y= 7+2
y=9/3
y= 3