Answer:
Step-by-step explanation:
1. Write the equation
2. Multiply the 8 with what’s in the parenthesis so you would have 8r+32
3. Plus the opposite so you’d have +(-3)=85
4. Subtract 32 from 85 so your left with 53
5. Add -3 to 53 to get 56
6. You’ll be left with 8r=56
7. Divide 56 by 8
8. r=7