12-3(k+1)=0

Solution for 12-3(k+1)=0 equation:

Simplifying
12 + -3(k + 1) = 0

Reorder the terms:
12 + -3(1 + k) = 0
12 + (1 * -3 + k * -3) = 0
12 + (-3 + -3k) = 0

Combine like terms: 12 + -3 = 9
9 + -3k = 0

Solving
9 + -3k = 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 + -3k = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -3k = 0 + -9
-3k = 0 + -9

Combine like terms: 0 + -9 = -9
-3k = -9

Divide each side by '-3'.
k = 3

Simplifying
k = 3