2x 3y 7 3x 5 y July 8, 2019 16 32 64 128 2x 3y 7 3x y 5 by substitution method 2x 3y 7 3x y 5 by elimination method 2x 3y 7 dan 3x y 5 3x 2y 5 2x 3y 7 sangat hai ya asangat
