# How do you solve for c in a + b + c = P?

Jul 27, 2016

$c = P - a - b$

#### Explanation:

To solve for $c$ in the equation $a + b + c = P$

Use the additive inverse to isolate the variable $c$

$\cancel{a} - \cancel{a} + \cancel{b} - \cancel{b} + c = P - a - b$

$c = P - a - b$