Simplify and Solve Using the Addition Principal of Equality

4 ( 8 - 15) + (-10) =  x - 7




Answer:
4 ( 8 - 15) + (-10) =  x - 7
32 - 60 + (-10) = x - 7
-28 + (-10) = x - 7
-38 = x - 7
-38 + 7 = x -7 + 7
-31 = x + 0
-31 = x