Where is the number that will be fill X or Y to solve this equation
Answer:
a=2
Step-by-step explanation:
12a - 5 = 4a + 11
Subtract 4a from each side
12a-4a - 5 = 4a-4a + 11
8a -5 = 11
Add 5 to each side
8a -5+5 = 11+5
8a = 16
8a/8 = 16/8
a =2
54 percent
You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%
Answer: 28
Step-by-step explanation: 6 faces, 12 edges, 8 vertices
Hope this helps..................