2x 7 5 15 July 8, 2019 16 32 64 128 5 2x 7 )= 15x 10 7 2x 5 155 2x 7 3x 5 15 17 2x 7 3x 5 153 Solve 2x 7 3x 5 15 17 X 3 2x 5 =- 7 15 2x 7 3x 5 15 7 7 2x 5 )+ x 7y 15 4y 2x 5 3and4x 7 15 15 5 2x 7 )= x 4 3x 2x 15 7 x 5 6x 5 7 2x 15 30 2x 5 and 4x 7 15 15 2x 7 3 5