equation

noun
C1+
1
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a statement showing that two amounts or values are equal, for example 2x + y = 54
معادله
see also differential equation, wave equation
2
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the act of making something equal or considering something as equal (= of equating them)
برابرسازی, تساوی
The equation of wealth with happiness can be dangerous.
3
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a problem or situation in which several things must be considered and dealt with
معادله, وضعیت پیچیده
When children enter the equation, further tensions may arise within a marriage.
Money also comes into the equation.
The availability of public transport is also part of the equation.