Solve -4r + 5=25 for the value of r

-4r+5=25        -4r=20        r=-5
typing this to get to 20 character

First you have to set r by itself and to do this you have to subtract 5 from both sides (because 5 is positve and in order to get rid of a positive is with a negative) now we have -4r=20, now divide both sides by -4 to leave r by itself, when you do you will end up with r=-5

Hope this helps

The correct answer is c