In the following equation, c and d are both integers.4cx - 5c = -12x + dwhat is the value of what is the value of

c = -3

d=15

Step-by-step explanation:

4cx - 5c = -12x + d

We know that the x terms have to be equal

4cx = -12x

Divide by x

4cx/x=-12x/x

4c =-12

Divide by 4

4c/4 =-12/4

c = -3

The constant terms also have to be equal

-5c = d

Substitute in c

-5(-3)=d

15=d

since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation: