3x 2y 5 2x 3y 12 July 8, 2019 16 32 64 128 3x 2y 5 2x 3y 12 elimination method 3x 2y 5 2x 2 3y 12 2x 3y 5 0 3x 2y 12 0 2x 3y 5 0 3x 2y 12 0 by elimination method 2x 3y 5 0 3x 2y 12 0 by substitution method 2x 3y 12 and 3x 2y 5 then 3x + 2y = 6
