Basic Math Examples

$r - \frac{\frac{7}{r + 6}}{\frac{1}{r + 6}} + 1$

Step 1

Simplify each term.

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Step 1.1

Multiply the numerator by the reciprocal of the denominator.

$r - (\frac{7}{r + 6} (r + 6)) + 1$

Step 1.2

Cancel the common factor of $r + 6$ .

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Step 1.2.1

Cancel the common factor.

$r - (\frac{7}{r + 6} (r + 6)) + 1$

Step 1.2.2

Rewrite the expression.

$r - 1 \cdot 7 + 1$

Step 1.3

Multiply $- 1$ by $7$ .

$r - 7 + 1$

Step 2

Add $- 7$ and $1$ .

$r - 6$