2x 3y 13 0 3x 2y 12 0 July 8, 2019 16 32 64 128 2x 3y 13 0 3x 2y 12 0 by substitution method 2x 3y 13 0 3x 2y 12 0 by elimination method 2x 3y 13 0 3x 2y 12 0 by graphical method 8 2x 3y 13 0 3x 2y 12 0 Solve 2x 3y 13 0 and 3x 2y 12 0 by substitution method 2x + 3y