Answer:
r = 1.9
Step-by-step explanation:
7r + 7 = 20.3
<u> - 7 - 7 </u>
7r = 13.3
divide by 7
1. -2
2.-10
3. 16
4. -29
5. 3
6. 11
7. 3
8. -4
9. 14
10. 25