Multiple choice Solve the following equation: $4x\, -\, 6\, =\, \displaystyle \frac{3x}{4}\, +\, 20$ $2$ $6$ $3$ $8$ Reveal answer Fill a bubble to check yourself D Correct answer Explanation 4x - 6 = 0.75x + 20. Subtract 0.75x from both sides: 3.25x - 6 = 20. Add 6: 3.25x = 26. x = 26 / 3.25 = 8.