5 13 x 7 July 8, 2019 16 32 64 128 5 13 x 78 13 5 x 7 2 5 = - 4/7 x + 13 5 1 13 x 7 13 5 x 10 7 5 x 13 2 )= 72 2 5 (- x 7 )+ 3x =- 13 7x 5 x 13 13 5 x 7 6 13 5 x 75 13 5 x 7 9 13 5 x 70 Y 5 13 x 7 2 x 5 13 x 7 equivalent expression Y= 13 5x 7 6
