Evaluating expressions with two variables

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Evaluate 5c3d+115c-3d+11 when c=7c=7 and d=8d=8.

🔥 How to Master This Lesson

To earn all three flame badges 🔥🔥🔥, you need to:

Speed Requirement:

Answer at least 5.0 problems correctly per minute (that's 36 correct answers in 180 seconds)

🎯 Accuracy Requirement:

Get problems right consistently to show mastery

💡 Tip: If you don't pass this time, keep practicing! You can retake the speed test as many times as you need.