Chapter 2 - Solving Equations - 2-2 Solving Two-Step Equations - Practice and Problem-Solving Exercises - Page 91: 27

x=29

We need to get the x alone. We use multiplication to cancel out division, so we multiply both sides by 3 to get that $x-8=21$. We now cancel out the subtraction by adding 8 on both sides, giving us a final answer of x=29. We plug 29 in for x and confirm that our answer is, indeed, correct.