How to use elimination to solve a word problem

The video tutorial explains how to solve a word problem involving the number of countries where English and Farsi are spoken as the first language. It guides through defining variables, setting up equations, and using the elimination method to find the solution. The problem states that English is spoken in 78 more countries than Farsi, and together they are spoken in 130 countries. The solution involves defining variables for the number of countries, setting up equations, and solving them to find that English is spoken in 104 countries and Farsi in 26.

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