# 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.

## Key Insights

• 📼 The video demonstrates the process of solving a set of equations with unknown numbers.
• 🏷️ Labeling the unknown numbers helps organize the problem-solving steps.
• ❓ Elimination and substitution methods are powerful techniques in solving equations.
• ❓ Verifying the obtained values by substituting them into the original equations is crucial for ensuring the accuracy of the solution.
• 🤔 Mathematics problems often require a systematic approach and logical thinking.
• 🫵 The presenter encourages viewers to engage and try solving the problem independently before watching the solution.
• 👶 The video appeals to math enthusiasts who enjoy problem-solving and learning new mathematical techniques.

## Transcript

good day and welcome to the tech maath Channel I'm Josh farach consider this diagram here we're going to be looking for four unknown numbers that can be used to make these equations correct that is to say this number plus this number will be equal to 8 this number subtract this number will be equal to 6 this number plus this number will equal 13 an... Read More

### 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.