Question

A number n decreased by 18 is 3

Answer 1

-36

Explanation:

Answer 2

21

Explanation:

A number n decreased by 18 is 3

This can be though of as:

N subtracted by 18 equals 3

And put into a solvable form:

N-18=3

Now lets solve for N:

N-18=3

+18 +18

=

N=21

So this is your answer!

Hope this helps!