Step-by-step explanation:
Answer: 3x-7
Explanation: x times 3
(3x)
subtracted by 7
(3x-7)
Is this what you are looking for?
Answer:
for x =2
..................
15
you will add each set of number together:
13+0+14+36+18+9=90
Then you will take 90 and divide it by how many numbers are in the number set:
90÷6=15
D