Hey there!
You got the first part right where you added r to both sides. However, you need to make sure that you complete all actions on both sides, including canceling out parts of terms by division. The only thing you need to do is divide both sides by h instead of just the left. This will make your answer:

Hope this helped you out! :-)
Expression: 8/3 = g/3
Denominators are same, so cancel them from each other.
g = 8
In short, Your Answer would be: 8
Hope this helps!
Answer:
65%=$260
Step-by-step explanation:
40%+25%=65%
65% of 400
65/100*400
=$260
I do believe it is 12 as well considering the fact that it's negative three and not positive. If it was a positive three then maybe it would be 18.
Step-by-step explanation:
Let x represent the number.
We have 2x + 18 = 3x - 5, therefore x = 23.
The number is 23.