解下列方程组(写过程){5(m-1)=2(n+3)①{2(m+1)=3(n-3)②{3(x=y)-4(x-y)=4①{2/x+y+6/x-y=1②是3(x+y)

问题描述:

解下列方程组(写过程)
{5(m-1)=2(n+3)①
{2(m+1)=3(n-3)②
{3(x=y)-4(x-y)=4①
{2/x+y+6/x-y=1②
是3(x+y)