Trigonometry Examples

$25 m - 0.2 (25 m) = 620$

Step 1

Simplify $25 m - 0.2 \cdot (25 m)$ .

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Step 1.1

Multiply $25$ by $- 0.2$ .

$25 m - 5 m = 620$

Step 1.2

Subtract $5 m$ from $25 m$ .

$20 m = 620$

Step 2

Divide each term in $20 m = 620$ by $20$ and simplify.

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Step 2.1

Divide each term in $20 m = 620$ by $20$ .

$\frac{20 m}{20} = \frac{620}{20}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $20$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{20 m}{20} = \frac{620}{20}$

Step 2.2.1.2

Divide $m$ by $1$ .

$m = \frac{620}{20}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide $620$ by $20$ .

$m = 31$