Answer:
a = 12
Step-by-step explanation:

Convert element into fraction : 3= 3/1

Cross multiply

Answer:
Distributive Property
Step-by-step explanation:
The distributive property of multiplication over addition can be used when you multiply a number by a sum.
d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12
The right answer is A...........
Hello there!
To start off this problem, let's replace f(x) with x in the equation. This gives us the following.

Subtract 3/4*x from both sides.



Now, multiply both sides by 4 to eliminate the fraction on the left side.

Your answer is B. Hope this helps! :)