问题标题:
解方程组.[1]x+y-z=6[2]x+y=3x-3y+2z=1y+z=53x+2y-z=4x+z=6
问题描述:
解方程组.[1]x+y-z=6[2]x+y=3x-3y+2z=1y+z=53x+2y-z=4x+z=6
邱开林回答:
Solve[{x+y-z==6,x+y==3,x-3y+2z==1}]
{x->4,y->-1,z->-3}
Solve[{y+z==5,3x+2y-z==4,x+z==6}]
{x->2,y->1,z->4}
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