Question

r+-3.5=5.3 solve for r

Answer 1

Answer:

8.8=r

Step-by-step explanation:

You can solve the equation backwards and do 5.3+3.5=8.8

To check 8.8-3.5=5.3 (OR 8.8 + (-3.5) = 5.3

Answer 2

r+-3.5 = 5.3
r-3.5=5.3
+3.5 +3.5
r=5.3+3.5
r= 8.8

Hope I was able to help you! :)