Final answer:
The variable method is used in mathematics to solve equations and systems of equations by assigning variables to unknown quantities. Fixed OVH does not have a specific meaning in mathematics.
Step-by-step explanation:
In mathematics, the variable method is a strategy used to solve equations and systems of equations. It involves assigning variables to unknown quantities in order to represent the problem algebraically and then using algebraic techniques to find the values of the variables.
For example, if we have the equation 2x + 3y = 10, we can assign variables to x and y, such as x = a and y = b, and rewrite the equation as 2a + 3b = 10. We can then solve this equation to find the values of a and b.
Fixed OVH, on the other hand, does not have a specific meaning in the context of mathematics. It could be a term or concept from another subject area.