Related Post: X 2 5 10 15 5 X 6 )- 2 X 10 )= 15 Solve X 15 10 2 5 7 5 X )- 2 X 10 )= 15 10 19 X (- 2 150 (- 5 X 2 1 5 X 6 3x 10 8 15 3x 15 2 X 5 )+ 10 150 2 X 3 X 5 10 5-15-25-x-100 Pattern 15 /10 5