Answer: 45
Step-by-step explanation:
Answer:
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r > -69
13 - r < 82
subtract 13 from both sides
13 - r - 13 < 82 - 13
- r < 69
to flip the inequality sign, multiply both side by -1 to make r positive:
- r (-1) < 69 (-1)
4x+2
assuming x represents the unknown number
