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

anonymous · Answer

A number is the solution or answer to the equation. It makes the variable equation true.
3x=3x+1
3x-2x=1
x=1.
One (1) is the solution or answer to the equation. If you plug in one to the equation, it will be true.

anonymous · Answer

3x=2x+1
3x-2x=1
x=1

correction for above.