Answer :

calculista
we have that

if the expression is  (x + yi) + (4 + 9) = 9 -4i
x+13=9-----------> x=9-13-------------> x=-4
yi=-4i----------- > y=-4

the solution is
x=-4
y=-4

if the expression has a typing error and it is really (x + yi) + (4 + 9i) = 9 -4i
then
x+4=9------------> x=9-4-------< x=5
y+9=-4-------------> y=-4-9 ------------> y=-13
the solution is
x=5
y=-13

finnylikescats

Answer:

5 and -13

Step-by-step explanation:

x = 5 and y = -13

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