## Precalculus: Mathematics for Calculus, 7th Edition

$\overline{z+w}=8+2i$
$z=3-4i$ $;$ $w=5+2i$ $\overline{z+w}$ Evaluate $z+w$: $z+w=(3-4i)+(5+2i)=(3+5)+(-4+2)i=8-2i$ Find the conjugate by changing the sign of the imaginary part of the complex number: $\overline{z+w}=8+2i$