Trigonometry Examples

$2 (6) = 17 - y$

Step 1

Rewrite the equation as $17 - y = 2 (6)$ .

$17 - y = 2 (6)$

Step 2

Multiply $2$ by $6$ .

$17 - y = 12$

Step 3

Move all terms not containing $y$ to the right side of the equation.

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Step 3.1

Subtract $17$ from both sides of the equation.

$- y = 12 - 17$

Step 3.2

Subtract $17$ from $12$ .

$- y = - 5$

Step 4

Divide each term in $- y = - 5$ by $- 1$ and simplify.

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Step 4.1

Divide each term in $- y = - 5$ by $- 1$ .

$\frac{- y}{- 1} = \frac{- 5}{- 1}$

Step 4.2

Simplify the left side.

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Step 4.2.1

Dividing two negative values results in a positive value.

$\frac{y}{1} = \frac{- 5}{- 1}$

Step 4.2.2

Divide $y$ by $1$ .

$y = \frac{- 5}{- 1}$

Step 4.3

Simplify the right side.

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Step 4.3.1

Divide $- 5$ by $- 1$ .

$y = 5$