20/3 - Take the 6 2/3, multiply the 6 and the 3 (6 x 3 = 18), then add the 2 (18 + 2 = 20). Put that number over the original 3 and you've got yourself a mixed number.
Divide -3
-3/-3a = 15/-3
a = -5
Answer:
532.8
Step-by-step explanation:
4a - 3b
4(5) - 3(- 2)
20 + 6
26
26 is your answer.
What do you think and what have you previously learned on the subject?
