In this math problem, you need to solve for the variables x and y.

In this equation, x is a variable and 5 is a constant.

He is good at solving that equation.

My friend is non-binary, they feel that they are neither male nor female.

I plan to spend this year's Christmas with my family.

The doctor took an X-ray of my leg.

The x-axis of the graph represents time.

The Planck's constant is one of the fundamental constants in physics.

This recipe requires a certain amount of ingredients.

He makes it a point to read a certain number of books every month.