solving linear equations

What is a linear equation?

A linear equation is an equation that makes a straight line when it is graphed, typically written in the form $ax + b = c$, where $a$, $b$, and $c$ are constants.

How do you solve a simple linear equation?

To solve a simple linear equation, isolate the variable on one side of the equation. For example, for the equation $2x + 3 = 7$, subtract 3 from both sides and then divide by 2 to find $x = 2$.

What is the importance of the solution to a linear equation?

The solution to a linear equation indicates the value of the variable that makes the equation true. It can represent various real-world scenarios such as financial calculation, distance measurement, etc.

What is the method of substitution in solving linear equations?

The method of substitution involves solving one of the equations for one variable, then substituting that expression into another equation. This method can be particularly useful in systems of equations.