penyelesaian sistem persammaan linear 4x-3y=-4 dan 10x+9y=1 adalah

4x - 3y = -4 |×3|
10x + 9y = 1

12x - 9y = -12
10x + 9y = 1 __+
22x = - 11
x = -1/2

4x - 3y = -4
4(-1/2) - 3y = -4
-2 - 3y = -4
-3y = -4 + 2
-3y = -2
y = 3/2