3(k-3)=12

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Solution for 3(k-3)=12 equation: 


Simplifying
3(k + -3) = 12

Reorder the terms:
3(-3 + k) = 12
(-3 * 3 + k * 3) = 12
(-9 + 3k) = 12

Solving
-9 + 3k = 12

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 = 12 + 9

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

Combine like terms: 12 + 9 = 21
3k = 21

Divide each side by '3'.
k = 7

Simplifying
k = 7

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