9(11+-1k)=3(3k+-9)

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Solution for 9(11+-1k)=3(3k+-9) equation:


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

Reorder the terms:
99 + -9k = 3(-9 + 3k)
99 + -9k = (-9 * 3 + 3k * 3)
99 + -9k = (-27 + 9k)

Solving
99 + -9k = -27 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
99 + -9k + -9k = -27 + 9k + -9k

Combine like terms: -9k + -9k = -18k
99 + -18k = -27 + 9k + -9k

Combine like terms: 9k + -9k = 0
99 + -18k = -27 + 0
99 + -18k = -27

Add '-99' to each side of the equation.
99 + -99 + -18k = -27 + -99

Combine like terms: 99 + -99 = 0
0 + -18k = -27 + -99
-18k = -27 + -99

Combine like terms: -27 + -99 = -126
-18k = -126

Divide each side by '-18'.
k = 7

Simplifying
k = 7

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