What is 3a + 2b - 6c?
A = 3
B = 2
C = 12

Answer: -59
Step-by-step explanation:
3a + 2b - 6c
a = 3 b = 2 c = 12
Substitute
3 (3) + 2 (2) - 6 (12)
9 + 4 - 72
13 - 72
-59