### Home > INT2 > Chapter 10 > Lesson 10.1.2 > Problem10-22

10-22.

Add or subtract the following complex numbers. Write your answers in $a + bi$ form.

Combine like terms as usual and treat $i$ as a regular variable.

1. $(3 + i) - (5 + 6i)$

1. $(8i) + (16 + 2i)$

1. $(20 + 5i) - (-5i)$

$20 + 10i$