Basic Math Examples

4 z - 84 = 0

$4 z - 84 = 0$

Step 1

Add

84

$84$ to both sides of the equation.

4 z = 84

$4 z = 84$

Step 2

Divide each term in

4 z = 84

$4 z = 84$ by

4

$4$ and simplify.

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Step 2.1

Divide each term in

4 z = 84

$4 z = 84$ by

4

$4$ .

\frac{4 z}{4} = \frac{84}{4}

$\frac{4 z}{4} = \frac{84}{4}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of

4

$4$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{4 z}{4} = \frac{84}{4}$

Step 2.2.1.2

Divide

$z$ by

$1$ .

$z = \frac{84}{4}$

$z = \frac{84}{4}$

$z = \frac{84}{4}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide

$84$ by

$4$ .

$z = 21$

$z = 21$

$z = 21$

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