k=3r-4s solve for r

Answer 1

Hi Xiomara,

To solve this equation for r, you will need to use inverse operations to "isolate" the variable, r.

k= 3r - 4s

First add 4r to both sides of the equation:

k + 4s = 3r - 4s + 4s

k + 4s = 3r

Now divide both sides by 3:

(k + 4s) = 3r

3 3

(k+4s) = r

3

So r = (k + 4s)

3