Answer:
<em><u>x = 249</u></em>
Step-by-step explanation:
Step 1. Combine like terms
1/3x + 166 = x
Step 2. Subtract 1/3x from both sides
166 = 2/3x
Step 3. Multiply it all by 3/2 to get rid of the 2/3
249 = X
Okay so...
There are 21 groups of 3.
21 x 3 = 63.
63 people are in the room.
Answer:
c:2,4,6,8,10,12,14,16,18,20
Step-by-step explanation:
set d:4,8,13,15,20
Answer:

Step-by-step explanation: