Answer:
r = 8
Explanation:
59 = 7r+3
subtract both sides by 3
56 = 7r
divide both sides by 7
8 = r
59 = 7r + 3
Switch sides:
7r + 3 = 59
Subtract 3 from both sides:
7r = 56
Divide both sides by 7:
9.5m questions
12.2m answers