9(11-k)=4(3k-9)

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Solution for 9(11-k)=4(3k-9) equation:


Simplifying
9(11 + -1k) = 4(3k + -9)
(11 * 9 + -1k * 9) = 4(3k + -9)
(99 + -9k) = 4(3k + -9)

Reorder the terms:
99 + -9k = 4(-9 + 3k)
99 + -9k = (-9 * 4 + 3k * 4)
99 + -9k = (-36 + 12k)

Solving
99 + -9k = -36 + 12k

Solving for variable 'k'.

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

Add '-12k' to each side of the equation.
99 + -9k + -12k = -36 + 12k + -12k

Combine like terms: -9k + -12k = -21k
99 + -21k = -36 + 12k + -12k

Combine like terms: 12k + -12k = 0
99 + -21k = -36 + 0
99 + -21k = -36

Add '-99' to each side of the equation.
99 + -99 + -21k = -36 + -99

Combine like terms: 99 + -99 = 0
0 + -21k = -36 + -99
-21k = -36 + -99

Combine like terms: -36 + -99 = -135
-21k = -135

Divide each side by '-21'.
k = 6.428571429

Simplifying
k = 6.428571429

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