Simplify 7-7(2+3x)+7

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

Step 1

Simplify each term.

Apply the distributive property.

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

Multiply $- 7$ by $2$ .

$7 - 14 - 7 (3 x) + 7$

Multiply $3$ by $- 7$ .

$7 - 14 - 21 x + 7$

$7 - 14 - 21 x + 7$

Step 2

Simplify by adding terms.

Subtract $14$ from $7$ .

$- 7 - 21 x + 7$

Combine the opposite terms in $- 7 - 21 x + 7$ .

Add $- 7$ and $7$ .

$- 21 x + 0$

Add $- 21 x$ and $0$ .

$- 21 x$

$- 21 x$

$- 21 x$

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