Trigonometry Examples

$28 = 3 s + 3 k$

Step 1

Since $s$ is on the right side of the equation, switch the sides so it is on the left side of the equation.

$3 s + 3 k = 28$

Step 2

Subtract $3 k$ from both sides of the equation.

$3 s = 28 - 3 k$

Step 3

Divide each term in $3 s = 28 - 3 k$ by $3$ and simplify.

Tap for more steps...

Step 3.1

Divide each term in $3 s = 28 - 3 k$ by $3$ .

$\frac{3 s}{3} = \frac{28}{3} + \frac{- 3 k}{3}$

Step 3.2

Simplify the left side.

Tap for more steps...

Step 3.2.1

Cancel the common factor of $3$ .

Tap for more steps...

Step 3.2.1.1

Cancel the common factor.

$\frac{3 s}{3} = \frac{28}{3} + \frac{- 3 k}{3}$

Step 3.2.1.2

Divide $s$ by $1$ .

$s = \frac{28}{3} + \frac{- 3 k}{3}$

Step 3.3

Simplify the right side.

Tap for more steps...

Step 3.3.1

Cancel the common factor of $- 3$ and $3$ .

Tap for more steps...

Step 3.3.1.1

Factor $3$ out of $- 3 k$ .

$s = \frac{28}{3} + \frac{3 (- k)}{3}$

Step 3.3.1.2

Cancel the common factors.

Tap for more steps...

Step 3.3.1.2.1

Factor $3$ out of $3$ .

$s = \frac{28}{3} + \frac{3 (- k)}{3 (1)}$

Step 3.3.1.2.2

Cancel the common factor.

$s = \frac{28}{3} + \frac{3 (- k)}{3 \cdot 1}$

Step 3.3.1.2.3

Rewrite the expression.

$s = \frac{28}{3} + \frac{- k}{1}$

Step 3.3.1.2.4

Divide $- k$ by $1$ .

$s = \frac{28}{3} - k$