1 [C] (mathematics 数) statement that two expressions (connected by the sign =) are equal, eg 2x +
11 等式（如2x +
5 = 11）.
2 [U] action of making equal or regarding as equal 等同; 相等
*The equation of wealth with happiness can be dangerous. 把财富与幸福等同起来有时候很危险.
a statement in mathematics that shows that two amounts or totals are equal
In the equation 2x + 1 = 7, what is x?
[C 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