+0

+5
263
1
+152

$$3=\frac{2}{5}(n+7)$$

xRainexSiderisx  Mar 9, 2017
#1
+1489
+5

First. Divide both sides by 2/5 (or multiply by 5/2, same difference)

Then subtract both sides by 7.

Result, n = 15/2 - 7

HighSchoolCalculus  Mar 9, 2017