Question

for what value of x and y 3x+i(3x-y)=4-6i

Answer 1

3x+i(3x-y)=4-6i
compare LHS to RHS
3x=4
x=4/3
and (3x-y)=-6
3 x 4/3-y=-6
4-y=-6
y=10
so x=4/3 and y=10