3y 7 2y 10 July 8, 2019 16 32 64 128 2x 3y 7 5x 2y 10 by elimination method 2x 3y 7 4x 2y 10 X 3y 7 x 2y 10 Add 2x 3y 7 and 3x 2y 10 3y 10y 16 2y 7 2 7+3y=9(y-2 1)
