Question

Which of the following expressions is a linear equation in one variable?

-x = 0
-2x ^ 2 - 2y = 25 - 3yb
-12xy + 2 = x
-11.4 + 21.4 = y + x

Answer 1

-x = 0

Explanation:

-x = 0 because it has only one variable (x), and the rest all have at least two variables.

hope this helps :)