9[11+-k]=3[3k+9]

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Solution for 9[11+-k]=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 = -72
-18k = -72

Divide each side by '-18'.
k = 4

Simplifying
k = 4

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