What does it mean for a number to be the "solution" to an equation?

Give an example of a variable equation and its solution.
Explain in complete sentences how you know that number is the solution.

Question

What does it mean for a number to be the "solution" to an equation? 



Give an example of a variable equation and its solution.
Explain in complete sentences how you know that number is the solution.

mertsj · Answer

It means if you replace the variable with the "solution" the result will be a true statement.

anonymous · Answer

the solution is the answer to the equation. 
A solution is any value that makes the equation true. 
for example 5x+10=20
the solution of this equation is x=2