3m-2n=11,4m-n=-1
2个回答
3m-2n=11,4m-n=-1
8m-2n=-2
两式相减5m=-13 m=-13/5
n=4m+1=4x(-13/5)+1=-47/5
相关问题
{3m — 2n=11{4m — n=1这是方程组,
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