Chapter 6: Equations - Word Problems

Let's visit the scenario given at the start of the chapter (p112), let's try to write out proper algebraic statements to solve the problem

During a tree planting event, a group of boys and girls planted a total of 148 trees. Each boy planted 7 trees and each girl planted 5 trees. If the number of boys are 4 more than the number of girls, how many boys were there?

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