Some campers went rowing in the morning while 7 campers went rowing in the afternoon. If a total of 60 campers went rowing that day how many campers went rowing in the morning?
Let's denote the number of campers who went rowing in the morning by x. Then the number of campers who went rowing in the afternoon is 7. 

The total number of campers who went rowing that day is 

x+7=60. 

Therefore the answer (numeric) is: 

x+7=60 
x=60-7 
x=53