3x 4y 1 0 2x 8 3y 5 0 July 8, 2019 16 32 64 128 3x 4y 1 0 2x 8 3y 5 0 by graphical method 3x 4y 1 0 2x 8 3y 5 0 by elimination method 3x 4y 1 0 2x 8 3y 5 0 by substitution method 0 3(1 2x - 0 5y) - 1 5(0 4x + y)
