Basic Math Examples

$5 \cdot (- y) - 4 = 0$

Step 1

Simplify each term.

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Step 1.1

Rewrite $- 1 y$ as $- y$ .

$5 \cdot (- y) - 4 = 0$

Step 1.2

Multiply $- 1$ by $5$ .

$- 5 y - 4 = 0$

$- 5 y - 4 = 0$

Step 2

Add $4$ to both sides of the equation.

$- 5 y = 4$

Step 3

Divide each term in $- 5 y = 4$ by $- 5$ and simplify.

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Step 3.1

Divide each term in $- 5 y = 4$ by $- 5$ .

$\frac{- 5 y}{- 5} = \frac{4}{- 5}$

Step 3.2

Simplify the left side.

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Step 3.2.1

Cancel the common factor of $- 5$ .

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Step 3.2.1.1

Cancel the common factor.

$\frac{- 5 y}{- 5} = \frac{4}{- 5}$

Step 3.2.1.2

Divide $y$ by $1$ .

$y = \frac{4}{- 5}$

$y = \frac{4}{- 5}$

$y = \frac{4}{- 5}$

Step 3.3

Simplify the right side.

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Step 3.3.1

Move the negative in front of the fraction.

$y = - \frac{4}{5}$

$y = - \frac{4}{5}$

$y = - \frac{4}{5}$

Step 4

The result can be shown in multiple forms.

Exact Form:

$y = - \frac{4}{5}$

Decimal Form:

$y = - 0.8$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$