Solve for k 9/10=k+7/10

$\frac{9}{10} = k + \frac{7}{10}$

Rewrite the equation as $k + \frac{7}{10} = \frac{9}{10}$ .

$k + \frac{7}{10} = \frac{9}{10}$

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

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Subtract $\frac{7}{10}$ from both sides of the equation.

$k = \frac{9}{10} - \frac{7}{10}$

Combine the numerators over the common denominator.

$k = \frac{9 - 7}{10}$

Subtract $7$ from $9$ .

$k = \frac{2}{10}$

Cancel the common factor of $2$ and $10$ .

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Factor $2$ out of $2$ .

$k = \frac{2 (1)}{10}$

Cancel the common factors.

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Factor $2$ out of $10$ .

$k = \frac{2 \cdot 1}{2 \cdot 5}$

Cancel the common factor.

$k = \frac{2 \cdot 1}{2 \cdot 5}$

Rewrite the expression.

$k = \frac{1}{5}$

The result can be shown in multiple forms.

Exact Form:

$k = \frac{1}{5}$

Decimal Form:

$k = 0.2$

Solve for k 9/10=k+7/10

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