18-3k+9=15

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Solution for 18-3k+9=15 equation:


Simplifying
18 + -3k + 9 = 15

Reorder the terms:
18 + 9 + -3k = 15

Combine like terms: 18 + 9 = 27
27 + -3k = 15

Solving
27 + -3k = 15

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 = 15 + -27

Combine like terms: 27 + -27 = 0
0 + -3k = 15 + -27
-3k = 15 + -27

Combine like terms: 15 + -27 = -12
-3k = -12

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

Simplifying
k = 4

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