Evaluate
19-3i
Real Part
19
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4-\left(-7\right)+4i-\left(-8-i\right)
Subtract -7+4i from 4 by subtracting corresponding real and imaginary parts.
11-4i-\left(-8-i\right)
Subtract -7 from 4.
11-4i+\left(8+i\right)
The opposite of -8-i is 8+i.
11+8+\left(-4+1\right)i
Combine the real and imaginary parts in numbers 11-4i and 8+i.
19-3i
Add 11 to 8. Add -4 to 1.
Re(4-\left(-7\right)+4i-\left(-8-i\right))
Subtract -7+4i from 4 by subtracting corresponding real and imaginary parts.
Re(11-4i-\left(-8-i\right))
Subtract -7 from 4.
Re(11-4i+\left(8+i\right))
The opposite of -8-i is 8+i.
Re(11+8+\left(-4+1\right)i)
Combine the real and imaginary parts in numbers 11-4i and 8+i.
Re(19-3i)
Add 11 to 8. Add -4 to 1.
19
The real part of 19-3i is 19.
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Limits
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