10 6y 2x 3 July 8, 2019 16 32 64 128 4x 6y 10 2x 3y 8 by substitution method 2x 6y 10 0 3x 7y 13 0 2x 3y 10 6y 4x 20 X y 3 2x 6y 10 12x 6y 10 2x 3y 8 3x 4y 2x 6y 10 2x 6y 10 38 4x 6y 10 2x 3y 5 3x + 2y = 6