Evaluate
7+3i
Real Part
7
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4+3+\left(1+2\right)i
Combine the real and imaginary parts in numbers 4+i and 3+2i.
7+3i
Add 4 to 3. Add 1 to 2.
Re(4+3+\left(1+2\right)i)
Combine the real and imaginary parts in numbers 4+i and 3+2i.
Re(7+3i)
Add 4 to 3. Add 1 to 2.
7
The real part of 7+3i is 7.
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