Algebra Examples

$\frac{9}{5} = r - \frac{8}{5}$

Step 1

Rewrite the equation as $r - \frac{8}{5} = \frac{9}{5}$ .

$r - \frac{8}{5} = \frac{9}{5}$

Step 2

Move all terms not containing $r$ to the right side of the equation.

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Step 2.1

Add $\frac{8}{5}$ to both sides of the equation.

$r = \frac{9}{5} + \frac{8}{5}$

Step 2.2

Combine the numerators over the common denominator.

$r = \frac{9 + 8}{5}$

Step 2.3

Add $9$ and $8$ .

$r = \frac{17}{5}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$r = \frac{17}{5}$

Decimal Form:

$r = 3.4$

Mixed Number Form:

$r = 3 \frac{2}{5}$