Related Post: 4 X 5 X 15 4 X 3 5 X 15 4 X 2 5 X 15 4 5 X 150 4 5 X 15 16 Solve For X 5 X 4 )= 15 4 5 X 15 20 4 X 15 )-( 5 X )= 10 4 5 X 15 1 Solve For X X 5 15.5