X 10 5 2x 6 July 8, 2019 16 32 64 128 X 3y 5 2x 6y 10 X 10 2x 5 7x 15 1 6 7 x 5 )- 3 2x 6 )= 10 X 5 6 2x 10 12 3 10 x )= 2 5 2x )- 6x X 5 - 10 or 2x 4 6 2x 7 10 2x 5 6 x 9 10 x 2 5 2x 4 và 1 6 3x X2 x 5 6x2 2x 10 10 2x 6 27 5 x 1 2 6x 10 )- x 2x 5 X 3x 2x 5 10 2x 57 6 5 3 4x 10 6 x 5 2x 7 2x 4 )- 5 x 10 )= 60 4 x 6 5 )= 2x 10 answer