x,y,a,b为实燃蔽数,谈唯当x+yi=a+bi 时有皮侍州x=a y=b1.(3x+2y)+(5x-y)i=17-2i 3x+2y=175x-y=-2x=1 y=7 2.(x+y-3)+(x-4)i=0x+y-3=0x-4=0x=4 y=-1
列方程组:3x+2y=17 5x-y=-2解得 x=1,y=7