Answer:
Add 7.65 to the 15 and 7.65, after you do that put a cross over the 7.65 on the right side of the equation, afterwards your equation would look like this. X=22.65
Explanation:
1) 15= x - 7.65
2)15= x - 7.65
+7.65 +7.65
3) 22.65=x
Hope this helped you
