Answer:
x = 22.33
Step-by-step explanation:
82 + 6 = 3x + 21
88 = 3x + 21
Subtract 21 from both sides.
88 - 21 = 3x
67 = 3x
Divide by 3 on both sides.
67/3 = 3x/3
22.33 = x
22.3
