3x-6+10x+15=35
10x+3x=35-15+6
13x=26
x=2
The answer is 50. You add all of the numbers in the data set, and divide it by the number of numbers in the data set. the sum of all of the numbers is 350, divide that by 7( the amount of numbers in the data set) and you get 50
Answer:
E
Step-by-step explanation:
