9-3k=k+18

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


Simplifying
9 + -3k = k + 18

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

Solving
9 + -3k = 18 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
9 + -3k + -1k = 18 + k + -1k

Combine like terms: -3k + -1k = -4k
9 + -4k = 18 + k + -1k

Combine like terms: k + -1k = 0
9 + -4k = 18 + 0
9 + -4k = 18

Add '-9' to each side of the equation.
9 + -9 + -4k = 18 + -9

Combine like terms: 9 + -9 = 0
0 + -4k = 18 + -9
-4k = 18 + -9

Combine like terms: 18 + -9 = 9
-4k = 9

Divide each side by '-4'.
k = -2.25

Simplifying
k = -2.25

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