2道数学方程题,求解答,在线等,急~~~(1)7x+6=16-3x(2)3x+2y=5 2x-y=8
问题描述:
2道数学方程题,求解答,在线等,急~~~
(1)7x+6=16-3x
(2)3x+2y=5
2x-y=8
答
(1)x=1
(2)x=3,y=-2