Evaluate
13+18i
Real Part
13
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4+9+\left(8+10\right)i
Combine the real and imaginary parts in numbers 4+8i and 9+10i.
13+18i
Add 4 to 9. Add 8 to 10.
Re(4+9+\left(8+10\right)i)
Combine the real and imaginary parts in numbers 4+8i and 9+10i.
Re(13+18i)
Add 4 to 9. Add 8 to 10.
13
The real part of 13+18i is 13.
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