Question

r/s+t=4v solve for r

Answer 1

You want to isolate 'r'. So, subtract 't' over to the right side of the equation. That will give you r/s=4v-t. Now, multiply both sides of the equation by s (because you want to isolate 'r'). Thus, you should end up with r= 4v-t(s)

Answer 2

thanks that helped so much

Answer 3

No prob.