Solve 12 5 2x =- 3 July 8, 2019 16 32 64 128 Solve x y 5 2x 3y 12 by elimination method Solve 3x 5 2x 12 X 3y 5 2x 3y 12 solve by substitution method Solve for x 3 x 5 )= 12 2x Solve a 2 by 2 rubik's cube