Algebra Examples

$f (x) = 2 - 9 x$ , $g (x) = - 7 x + 9$

Step 1

Replace the function designators with the actual functions in $f (x) + g (x)$ .

$2 - 9 x - 7 x + 9$

Step 2

Simplify.

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Step 2.1

Add $2$ and $9$ .

$- 9 x - 7 x + 11$

Step 2.2

Subtract $7 x$ from $- 9 x$ .

$- 16 x + 11$