用加减法解下列方程组

2x+3y=6 (1) 3x-2y=-2 (2)
2024-11-29 00:03:08
推荐回答(1个)
回答1:

2x+3y=6 (1)
3x-2y=-2 (2)

(1)*3得6x+9y=18 (3)
(2)*2得6x-4y=-4 (4)
(3)-(4)得13y=22
y=22/13
x=6/13