3x 5y 6 2x 3y 61 July 8, 2019 16 32 64 128 3x 5y 6 0 2x 3y 61 0 by elimination method 3x 5y 6 and 2x 3y 61 by substitution method 3x 5y 6 0 2x 3y 61 0 by substitution method 3x + 2y = 6
