2x 3y 0 3x 4y 5 by substitution method July 8, 2019 16 32 64 128 2x 3y 0 3x 4y 5 by substitution method answer Solve by substitution method 2x 3y 0 3x 4y 5 3x 4y 1 0 2x 8 3y 5 0 by substitution method 2x + 3y
