4-0.9k=4

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Solution for 4-0.9k=4 equation: 


Simplifying
4 + -0.9k = 4

Add '-4' to each side of the equation.
4 + -4 + -0.9k = 4 + -4

Combine like terms: 4 + -4 = 0
0 + -0.9k = 4 + -4
-0.9k = 4 + -4

Combine like terms: 4 + -4 = 0
-0.9k = 0

Solving
-0.9k = 0

Solving for variable 'k'.

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

Divide each side by '-0.9'.
k = 0

Simplifying
k = 0

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