0.81=0.009k

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Solution for 0.81=0.009k equation: 


Simplifying
0.81 = 0.009k

Solving
0.81 = 0.009k

Solving for variable 'k'.

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

Add '-0.009k' to each side of the equation.
0.81 + -0.009k = 0.009k + -0.009k

Combine like terms: 0.009k + -0.009k = 0.000
0.81 + -0.009k = 0.000

Add '-0.81' to each side of the equation.
0.81 + -0.81 + -0.009k = 0.000 + -0.81

Combine like terms: 0.81 + -0.81 = 0.00
0.00 + -0.009k = 0.000 + -0.81
-0.009k = 0.000 + -0.81

Combine like terms: 0.000 + -0.81 = -0.81
-0.009k = -0.81

Divide each side by '-0.009'.
k = 90

Simplifying
k = 90

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