Find solutions to your problems with the help of IDNLearn.com's knowledgeable users. Get comprehensive and trustworthy answers to all your questions from our knowledgeable community members.
Answer:
r = -3
Step-by-step explanation:
We need to isolate r...
-8r+12=36
Subtract 12 from both sides
-8r=24
Divide both sides by -8
r= -3
We can check this answer...
-8r+12=36
-8(-3)+12=36
24+12=36
36=36 --> correct!
r = -3