# solution of an equation

can someone please give me an example of a solution of an equation

An equation is a statment with the equal sign = in it. If we have
y=2x+3 and we're asked to find x when y=7 then we would have to solve
7=2x+3
The solution of that equation is x=2.
Was there a specific equation you had in mind?

no i just needed a solution of an equation but now i need a function

Ok, consider f(x)=x^2

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