Question

The quotient of a number and five is eight less than the number. What is the number?
a. –2
b. 2
c. 3
d. 10

Answer 1

The number is 10.
x/5 = x-8
You multiply both sides by 5.
x = 5(x-8)
x = 5x-40
Subtract 5x from both sides
-4x = -40
x= -40 / -4
x=10