3x 5y 16 x 3y 8 July 8, 2019 16 32 64 128 3x 5y 16 x 3y 8 by simultaneous equations 3x 5y 16 x 3y 8 solution 3x 5y 16 x 3y 8 by elimination method answer 3x - 5y = 16 x - 3y = 8