Answer:
1) B. Combine-like terms
2) A. Subtraction Property of Equality
3)D. Division Property of Equality
Step-by-step explanation:
If (55 + x)/2 is to be 67, then 55+x = 2*67, so x = 2*67 - 55 = 79
Answer:
There are 15 men in the dance recital.
Step-by-step explanation:
If 20 people is 4 parts, then 5 people are 1 part. Due to that, 15 people will equal 3 parts.