Find Real Numbers a and B Such That the Equation $( a - 4 ) + ( b + 5 ) i = 13 + 11 i$

Multiple Choice

Find real numbers a and b such that the equation is true.
$( a - 4 ) + ( b + 5 ) i = 13 + 11 i$

A) $a = 20 , b = 9$
B) $a = 18 , b = 7$
C) $a = 19 , b = 8$
D) $a = 17 , b = 6$
E) $a = 21 , b = 10$