# How do you evaluate 3+(-5)?

Dec 20, 2016

Understand the signs' rules

#### Explanation:

Same signs = +
Different signs = -

Meaning:
$+$ and $-$ = $-$
$-$ and $-$ = $+$
$+$ and $+$ = $+$

So, $3 + \left(- 5\right)$ has $+$ and $-$ (different signs = negative)

$3 - 5 = - 2$