Question

2 + 1 is an example of linear equation in one variable.

Answer 1

Answer:

The linear equations in one variable is an equation which is expressed in the form of ax+b = 0, where a and b are two integers and x is a variable and has only one solution. For example, 2x+3=8 is a linear equation having a single variable in it.

2+1 has no variable it has only constants