How do you solve a word problem with 3 variables?

We can solve 3 variable systems of equations by various algebraical methods such as substitution, elimination, graphing or more.

To solve a word problem with 3 variables follow the below steps:

First read the given problem carefully and note what is given and what is required.

Denote the unknown by the variables as x, y and z (choose anything).

Translate the problem to the language of Mathematics statements.

Form the linear equations in 3 variables using the conditions given in the problems.

Solve the system of linear equations and get your result.

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