tell whether the given value of the variable is a soultion of the equation 5x + 16 - x = - 68; x = -14 Solution You can solve the equation 5x + 16 - x = -68 4x + 16 = -68 combine 5x - x = 4x -16 -16 _______________ 4x = -84 divide both sides by 4 x = -21 You can also substitute x = -14 5x + 16 - x = -68 5(-14) + 16 - (-14) = -68 -70 + 16 + 14 = -68 -70 + 30 = -68 - 40 = -68 NO.