The union of the sets are the values that appear in both sets when plotted in a Venn diagram and if I'm not mistaking, I think the right answer is (B)
You set up the equation. Then you do 20 minus 12 which gives you 8. You’re left over with x/3 equals 8. 8 multiplied by 3 gives 24, so x equals 24
Answer:
heres how to solve it
Step-by-step explanation: