a statement in mathematics that shows that two amounts or totals are equal:
In the equation 2x + 1 = 7, what is x?
2 [countable usually singular]
the set of different facts, ideas, or people that all affect a situation and must be considered together:
The tourist industry forms a crucial part of the region's economic equation.
The question of cost has now entered the equation.
when you consider that two things are similar or connected:
the equation of violence with power