Evaluate
63+i
Real Part
63
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12+18+15+15+3+i
Combine the real and imaginary parts.
63+i
Do the additions.
Re(12+18+15+15+3+i)
Combine the real and imaginary parts in i+12+18+15+15+3.
Re(63+i)
Do the additions in 12+18+15+15+3+i.
63
The real part of 63+i is 63.
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