# Can you solve this tricky math problem? | Summary and Q&A

286.6K views
April 7, 2020
by
tecmath
Can you solve this tricky math problem?

## TL;DR

This video teaches how to solve a set of equations using elimination and substitution methods.

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### Q: How does the presenter label the unknown numbers in the equations?

The unknown numbers are labeled as A, B, C, and D to help with the problem-solving process.

### Q: What method does the presenter use to solve the equations?

The presenter uses elimination and substitution methods to solve the set of equations.

### Q: What are the values of the unknown numbers A, B, C, and D?

The unknown values are A = 3.5, B = 4.5, C = 9.5, and D = 3.5.

### Q: How does the presenter determine the final answer is correct?

By substituting the obtained values into the original equations, the presenter verifies that the numbers satisfy all given conditions.

## Summary & Key Takeaways

• The video presents a set of four equations with unknown numbers that need to be solved.

• The presenter labels the unknown numbers as A, B, C, and D.

• Using elimination and substitution, the unknown values are determined to be A = 3.5, B = 4.5, C = 9.5, and D = 3.5.