5y 9 3y 5 July 8, 2019 16 32 64 128 3x 5y 9 5x 3y 7 find x y X 5y 9 3y 2x =- 5 3x 5y 9 5x 3y 7 3x 5y =- 9 5x 3y 1 3x 5y 9 5x 3y 7 find xy answer 3x 5y 9 5x 3y 7x 5y 9 5x 3y 4 3x 5y 9 5x 3y 7 solution 3x 5y 9 2x 3y 5 9 5y =- 7x 13 3y =- 5x Solve 3x 5y 9 5x 3y 7 3x 5y 9 0 5x 3y 1 0
