Answer:

Step-by-step explanation:
So we have the equation:

First, distribute the 7 into the (x+8) and simplify:

Combine the like terms 7x and 8x by adding them together:

Subtract 56 from both sides to isolate the x:

Divide both sides by 15 to get x:

Mean= (5+6+5+6+9)/5= 7.2 coins
Explanation: The mean is the average of a data set. Add the numbers from the data set and divide by how many numbers.
The coefficient of the term in 13a is 13
Answer:
Hi! The correct answer is 0.12!
Step-by-step explanation:
Simplify the expression.