4y 10 6y 2 July 8, 2019 16 32 64 128 2x 4y 10 2x 6y 14 4y 3y 3x 6y 10 2 2x 4y 10 3x 6y 12 substitution method 4y 2 8y 6y 10 2x 4y 10 3x 6y 12 elimination method