Algebra Examples

$f (x) = 7 x - 7$ , $g (x) = 3 - 5 x$

Step 1

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

$7 x - 7 + 3 - 5 x$

Step 2

Simplify.

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Step 2.1

Subtract $5 x$ from $7 x$ .

$2 x - 7 + 3$

Step 2.2

Add $- 7$ and $3$ .

$2 x - 4$