# Let f (x)= –5x – 4 and g(x) = 6x – 7, how do you find f (x) + g(x)?

Sep 4, 2016

$f \left(x\right) + g \left(x\right) = x - 11$

#### Explanation:

As $f \left(x\right) = - 5 x - 4$ and

$g \left(x\right) = 6 x - 7$

$f \left(x\right) + g \left(x\right) = - 5 x - 4 + 6 x - 7$

= $x - 11$