The number line is a line drawing in which numbers are written from smallest to largest. It could be used to solve simple math issues. It is easiest to use a number line to help you add and remove little numbers.
It can also use it to resolve issues involving negative numbers.
Inside the aforementioned scenario, it moves left four times but remains on the same line. Then draw the line up and down on the -4 of x.
It meets the definition of a linear equation because its graph is a straight line, meaning that it is a linear equation.
