Question

64=8(r+2)

Answer 1

First, distribute the 8 to (r+2)

Answer 2

Confused ? How

Answer 3

Multiply each term in (r+2) by 8.

Answer 4

8(R)+8(2)=64 ?

Answer 5

Yes

Answer 6

Then Multiply ,

Answer 7

What you should have now is 8r+16=64
if so, then subtract 16 from both sides.

Answer 8

I think it is more elegant to divide the left and right side of the equation by 8. Much easier. That leaves us with 8=r+2 => r = 8-2 =6

Answer 9

R=6 ?

Answer 10

Yes

Answer 11

That is what I just wrote, yes.