Algebra Examples

$f (x) = - 1$ , $g (x) = 2 x + 1$

Step 1

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

$- 1 + 2 x + 1$

Step 2

Combine the opposite terms in $- 1 + 2 x + 1$ .

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Step 2.1

Add $- 1$ and $1$ .

$2 x + 0$

Step 2.2

Add $2 x$ and $0$ .

$2 x$