Answer:
Step-by-step explanation:
5(2y-4) - 3y = 1. 10y-20-3y=1. 7y-20=1. 7y=21. y =3. x = 2(3)-4. x = 2. x*y =6.
-5 here the answer is really good give me more like that
Answer:
4
Step-by-step explanation:
If f(x)= 108-kx, then all you have to do is plug in the given value of x which is -4, then equal it to the given value of 124.

Factors of 21 are : 1,3,7,21....yes, this is correct...true