21. >
22. Distributive Property
8, 17/12 9, 9/24 10, 13/10 11, 11/10
Step 1. Simplify

to

Step 2. Simplify

to

Step 3. Simplify

to

Step 4. Cancel

on both sides
Step 5. Multiply both sides by

(the LCM of

)
Step 6. Expand
Step 7. Subtract

from both sides
Step 8. Simplify

to

Step 9. Multiply both sides by


Done! :) Hope this helps! :)
Some of the many possible answers can be..
3.3
2.2
0.5