3(k+9)=72

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Solution for 3(k+9)=72 equation: 


Simplifying
3(k + 9) = 72

Reorder the terms:
3(9 + k) = 72
(9 * 3 + k * 3) = 72
(27 + 3k) = 72

Solving
27 + 3k = 72

Solving for variable 'k'.

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

Add '-27' to each side of the equation.
27 + -27 + 3k = 72 + -27

Combine like terms: 27 + -27 = 0
0 + 3k = 72 + -27
3k = 72 + -27

Combine like terms: 72 + -27 = 45
3k = 45

Divide each side by '3'.
k = 15

Simplifying
k = 15

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