Solve for k -2.38+3.9k=2.17+3.2k+2.45

$- 2.38 + 3.9 k = 2.17 + 3.2 k + 2.45$

Add $2.17$ and $2.45$ .

$- 2.38 + 3.9 k = 3.2 k + 4.62$

Move all terms containing $k$ to the left side of the equation.

Subtract $3.2 k$ from both sides of the equation.

$- 2.38 + 3.9 k - 3.2 k = 4.62$

Subtract $3.2 k$ from $3.9 k$ .

$- 2.38 + 0.7 k = 4.62$

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

Add $2.38$ to both sides of the equation.

$0.7 k = 4.62 + 2.38$

Add $4.62$ and $2.38$ .

$0.7 k = 7$

Divide each term in $0.7 k = 7$ by $0.7$ and simplify.

Divide each term in $0.7 k = 7$ by $0.7$ .

$\frac{0.7 k}{0.7} = \frac{7}{0.7}$

Simplify the left side.

Cancel the common factor of $0.7$ .

Cancel the common factor.

$\frac{0.7 k}{0.7} = \frac{7}{0.7}$

Divide $k$ by $1$ .

$k = \frac{7}{0.7}$

Simplify the right side.

Divide $7$ by $0.7$ .

$k = 10$