Problema Solution

the difference of four times a number and eight is sixteen.find the number.

Answer provided by our tutors

four times the sum of the number and eight = 16

four (sum of number and eight) = 16

4(x + 8) = 16

4x + 32 = 16

4x = 16 - 32

x = -16/4

x = -4.

Therefore the number is -4.