4x-k=9

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Solution for 4x-k=9 equation:


Simplifying
4x + -1k = 9

Reorder the terms:
-1k + 4x = 9

Solving
-1k + 4x = 9

Solving for variable 'k'.

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

Add '-4x' to each side of the equation.
-1k + 4x + -4x = 9 + -4x

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

Divide each side by '-1'.
k = -9 + 4x

Simplifying
k = -9 + 4x

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