Answer:
The first step is add 15.9 both sides (addition property of equality)
Explanation:
we have

applying the Addition Property of equality ---> whatever is added to one side of the equal sign must be added to the other side)
Adds 15.9 both side


Applying the Division Property of equality ----> if you divide both sides of an equation by the same nonzero number, the sides remain equal
Divide by 3.7 both sides
