Algebra Examples

$p - 20 % p = 72$

Step 1

Simplify $p - 20 % p$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Convert $20 %$ to a decimal.

$p - 1 \cdot 0.2 p = 72$

Step 1.1.2

Multiply $- 1$ by $0.2$ .

$p - 0.2 p = 72$

$p - 0.2 p = 72$

Step 1.2

Subtract $0.2 p$ from $p$ .

$0.8 p = 72$

$0.8 p = 72$

Step 2

Divide each term in $0.8 p = 72$ by $0.8$ and simplify.

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Step 2.1

Divide each term in $0.8 p = 72$ by $0.8$ .

$\frac{0.8 p}{0.8} = \frac{72}{0.8}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $0.8$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{0.8 p}{0.8} = \frac{72}{0.8}$

Step 2.2.1.2

Divide $p$ by $1$ .

$p = \frac{72}{0.8}$

$p = \frac{72}{0.8}$

$p = \frac{72}{0.8}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide $72$ by $0.8$ .

$p = 90$

$p = 90$

$p = 90$

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