4(x+2)=1-5y 3(y+2)=3-2x 求xy
问题描述:
4(x+2)=1-5y 3(y+2)=3-2x 求xy
答
x=-3
y=1
xy=-3
4(x+2)=1-5y 3(y+2)=3-2x 求xy
x=-3
y=1
xy=-3