4k-27+5k=81

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Solution for 4k-27+5k=81 equation:


Simplifying
4k + -27 + 5k = 81

Reorder the terms:
-27 + 4k + 5k = 81

Combine like terms: 4k + 5k = 9k
-27 + 9k = 81

Solving
-27 + 9k = 81

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 + 9k = 81 + 27

Combine like terms: -27 + 27 = 0
0 + 9k = 81 + 27
9k = 81 + 27

Combine like terms: 81 + 27 = 108
9k = 108

Divide each side by '9'.
k = 12

Simplifying
k = 12

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