13-(4-k)=

Solution for 13-(4-k)= equation:

Simplifying
13 + -1(4 + -1k) = 0
13 + (4 * -1 + -1k * -1) = 0
13 + (-4 + 1k) = 0

Combine like terms: 13 + -4 = 9
9 + 1k = 0

Solving
9 + 1k = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 1k = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1k = 0 + -9
1k = 0 + -9

Combine like terms: 0 + -9 = -9
1k = -9

Divide each side by '1'.
k = -9

Simplifying
k = -9