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.