Question

A system of equations in two variables can be solved by the _____method, the _____method, or the ______method.

Short answer

Subtraction, elimination, graphical

Step-by-step solution

Step 1. Given information

In this question, we have been given a sentence.

Step 2. Concept used

The system of linear equations is the collection of one or more linear equations involving the same set of variables.

We need to complete the given sentence.

By the process of the system of equations, we will calculate the result.

Step 3. Calculation

As we know the system of linear equations is the collection of one or more linear equations involving the same set of variables.

Therefore, a system of equations in two variables can be solved by the substitution method, by the elimination method, or by the graphical method.