Trigonometry Examples

$2 (3 x + 7) = 6 x + 14$

Step 1

Apply the distributive property.

$2 (3 x) + 2 \cdot 7 = 6 x + 14$

Step 2

Multiply $3$ by $2$ .

$6 x + 2 \cdot 7 = 6 x + 14$

Step 3

Multiply $2$ by $7$ .

$6 x + 14 = 6 x + 14$

Step 4

Since the two sides have been shown to be equivalent, the equation is an identity.

$2 (3 x + 7) = 6 x + 14$ is an identity.