Question

Solve pls

-8r + 12 = 36

Answer 1

r = -3

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