Trigonometry Examples

$64 = - 8 y$

Step 1

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

$- 8 y = 64$

Step 2

Divide each term in $- 8 y = 64$ by $- 8$ and simplify.

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Step 2.1

Divide each term in $- 8 y = 64$ by $- 8$ .

$\frac{- 8 y}{- 8} = \frac{64}{- 8}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $- 8$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{- 8 y}{- 8} = \frac{64}{- 8}$

Step 2.2.1.2

Divide $y$ by $1$ .

$y = \frac{64}{- 8}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide $64$ by $- 8$ .

$y = - 8$