Question

Twice the sum of a number and 77 is equal to three times the difference of the number and 6.  Find the number

Answer 1

x + 77 = 3(x - 6)

x + 77 = 3x - 18

x + 77 + 18 = 3x - 18 + 18

x + 95 = 3x

x + 95 - x = 3x - x

95 = 2x

x = 95/2

x = 47.5