Evaluate
7+20i
Real Part
7
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2+5+\left(15+5\right)i
Combine the real and imaginary parts in numbers 2+15i and 5+5i.
7+20i
Add 2 to 5. Add 15 to 5.
Re(2+5+\left(15+5\right)i)
Combine the real and imaginary parts in numbers 2+15i and 5+5i.
Re(7+20i)
Add 2 to 5. Add 15 to 5.
7
The real part of 7+20i is 7.
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