What is (9-9i)-(-7+2i) ?

The solution to (9-9i)-(-7+2i) is 16-11i

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simplify (9-9i)-(-7+2i)

simplify

(9 - 9 i) - (- 7 + 2 i)

16 - 11 i

Solution steps

(9 - 9 i) - (- 7 + 2 i)

Group the real part and the imaginary part of the complex number

(a + bi) - (c + d i) = (a - c) + (b - d) i

= (9 - (- 7)) + (- 9 - 2) i

Simplify

(9 - (- 7)) + (- 9 - 2) i : 16 - 11 i

= 16 - 11 i

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