Answer:
Step-by-step explanation:
6x + y = 30
-6x - 15y = 54
-14y = 84
y = -6
6x - 6 = 30
6x = 36
x = 6
(6, -6)
Answer:2920 dam
Step-by-step explanation:
1 km=100 dam
29.2 km=29.2 x 100=2920 dam
-2(x - 5) + 4(9 + x)
-2x + 10 + 36 + 4x
=2x + 46
Answer:
72 / 123 * 100 = 58.53658537 per cent
Step-by-step explanation: