x – 5y =
-13 / ·2
3x + 10y
= -14
2x – 10y =
-26
3x + 10y
= -14
5x = -40 / :5
x = -8
-8 – 5y =
-13 / +8
-5y = -5 / :(-5)
y = 1
ZK: L1: -8 – 5 · 1 = -8 – 5 =
-13 P1: -13 L1 = P1 L2: 3 · (-8) + 10 · 1 = -24 + 10 = -14 P2: -14 L2 = P2 |