Evaluate
13-12i
Real Part
13
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11+2+\left(-7-5\right)i
Combine the real and imaginary parts in numbers 11-7i and 2-5i.
13-12i
Add 11 to 2. Add -7 to -5.
Re(11+2+\left(-7-5\right)i)
Combine the real and imaginary parts in numbers 11-7i and 2-5i.
Re(13-12i)
Add 11 to 2. Add -7 to -5.
13
The real part of 13-12i is 13.
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