equations
n. countablen. mathematical statements that show two things are equal by using an equals sign. You use them to find the value of a missing number.
n. mathematical statements asserting the equality of two expressions, typically separated by an equals sign. Often involves variables that represent unknown quantities to be solved for.
The teacher wrote several simple equations on the board.
To solve for the unknown variable, you must balance both sides of the equations carefully.
While the fundamental equations of physics remain constant, their application to complex systems requires sophisticated computational models to predict real-world outcomes.
Usually plural when referring to a set of problems; the singular form refers to one specific mathematical statement.