-3(k+1)=9

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Solution for -3(k+1)=9 equation: 


Simplifying
-3(k + 1) = 9

Reorder the terms:
-3(1 + k) = 9
(1 * -3 + k * -3) = 9
(-3 + -3k) = 9

Solving
-3 + -3k = 9

Solving for variable 'k'.

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

Add '3' to each side of the equation.
-3 + 3 + -3k = 9 + 3

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

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

Divide each side by '-3'.
k = -4

Simplifying
k = -4

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