Solved

Find the Sum or Difference $( 7 - 7 i ) - ( - 9 - 7 i ) + ( - 7 - 8 i )$

Question 386

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $( 7 - 7 i ) - ( - 9 - 7 i ) + ( - 7 - 8 i )$

A) $- 9 - 22 \mathrm { i }$
B) $9 - 8 \mathrm { i }$
C) $- 9 + 8 i$
D) $9 - 22 \mathrm { i }$

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