Question

如果（x-y)+(2x-3)i=（3x+y)+(x+2y)i,求实数x,y的值

Answer 1

实部等于实部,虚部等于虚部

x-y=3x+y 2x-3=x+2y

2x+2y=0 x-2y=3

x+y=0

x=-y

x-2(-x)=3

3x=3

x=1

y=-1