Evaluate 3(x+4)-(2x+7)

$3 (x + 4) - (2 x + 7)$

Step 1

Simplify each term.

Apply the distributive property.

$3 x + 3 \cdot 4 - (2 x + 7)$

Multiply $3$ by $4$ .

$3 x + 12 - (2 x + 7)$

Apply the distributive property.

$3 x + 12 - (2 x) - 1 \cdot 7$

Multiply $2$ by $- 1$ .

$3 x + 12 - 2 x - 1 \cdot 7$

Multiply $- 1$ by $7$ .

$3 x + 12 - 2 x - 7$

$3 x + 12 - 2 x - 7$

Step 2

Simplify by adding terms.

Subtract $2 x$ from $3 x$ .

$x + 12 - 7$

Subtract $7$ from $12$ .

$x + 5$

$x + 5$

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