9(7.5-7k)=25.5

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Solution for 9(7.5-7k)=25.5 equation: 


Simplifying
9(7.5 + -7k) = 25.5
(7.5 * 9 + -7k * 9) = 25.5
(67.5 + -63k) = 25.5

Solving
67.5 + -63k = 25.5

Solving for variable 'k'.

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

Add '-67.5' to each side of the equation.
67.5 + -67.5 + -63k = 25.5 + -67.5

Combine like terms: 67.5 + -67.5 = 0.0
0.0 + -63k = 25.5 + -67.5
-63k = 25.5 + -67.5

Combine like terms: 25.5 + -67.5 = -42
-63k = -42

Divide each side by '-63'.
k = 0.6666666667

Simplifying
k = 0.6666666667

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