2x 3y 9 3x 4y 5 July 8, 2019 16 32 64 128 2x 3y 9 3x 4y 5 by substitution method 2x 3y 9 3x 4y 5 by elimination method 2x 3y 9 3x 4y 5 by cross multiplication Solve for x and y 2x 3y 9 3x 4y 5 2x + 3y