First, expand the terms inside the bracket you will get
The answer is in the sentence
Answer:
x + 6
Step-by-step explanation:
If you dont know the value of x you cant solve the problem fully
Answer:
final answer is 6
Step-by-step explanation:
Given
To find the difference quotient use formula
Now plug it in the formula
6
To find the average, you have to add all the numbers up and then divide by the amount of numbers you added together.
Equation: (86+87+91+x)/4=98
Solve for x:
86+87+91+x=98*4
264+x=392
x=392-264
x=128
The fourth number is 128