How do you solve #\frac { 7} { n + 3} = \frac { 3} { 9}#?
1 Answer
Jul 20, 2017
Simply cross multiply.
Explanation:
As you can see in my explanation we first start off by cross multiplying:
We then subtract the
Then we simply divide by
Therefore, our answer is
However, if this is true, when you cross multiply again, they should be the same number.
They check out, so this answer is valid and correct.