Question

4.2r - 12.68 = 10
how to sole it to plz

Answer 1

Hi there!

r=5.4

1.Add the terms:

`22.68*4.2=5.4`

2.Divide the two terms:

`22.68*4.2=5.4`

Therefore, r=5.4.

Answer 2

r=5.4

4.2r-12.68=10
+12.68 +12.68
4.2r=22.68
4.2/4.2 22.68/4.2
22.68/4.2= 5.4

Hope this helps! Have a great day :)