Chat with our AI personalities
The "equals" means that you claim that whatever is on the left of the equal sign is the same as whatever is on the right of the equal sign. In this case, it is claimed that x is the same as x - a true claim.
Yes
Not necessarily.
They are the same except equations use the equal sign =
The answer depends on the sign (if any) between 5 and x : which we cannot see. If there is none, or if it is the sign for multiplication or addition then "yes". Otherwise, no.