algibra 9th grade

Or, if you wish, think of the variable as standing for a thing, such as "apples."

3apples - 3 apples = 0apples, or just plain 0 (zero).

algibra 9th grade

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Or, if you wish, think of the variable as standing for a thing, such as "apples."

3apples - 3 apples = 0apples, or just plain 0 (zero).

--any number minus itself is 0.

## Comments

so if i have a problem 3x+14=3x it would solve to be 0=14?

Good thinking! When you have something such as 0=14, it's a false statement, which means there is "no solution," or "null set," if you use that notation.