You have to get "X" by itself so you subtract 12, 7-12 is -5 so "X" = - 5
The answer is B.
remember to use the reciprocal when dividing with fractions
The answer is 45/8
You have make sure that the denominator has the same value!
31/4-17/8=62/8-17/8
=45/8
Step-by-step explanation:
the polygon is 15 sided.
Answer is 1.6
Because 5/3 = 1.6