9(k+7)-(-9k-9)=17k

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Solution for 9(k+7)-(-9k-9)=17k equation:


Simplifying
9(k + 7) + -1(-9k + -9) = 17k

Reorder the terms:
9(7 + k) + -1(-9k + -9) = 17k
(7 * 9 + k * 9) + -1(-9k + -9) = 17k
(63 + 9k) + -1(-9k + -9) = 17k

Reorder the terms:
63 + 9k + -1(-9 + -9k) = 17k
63 + 9k + (-9 * -1 + -9k * -1) = 17k
63 + 9k + (9 + 9k) = 17k

Reorder the terms:
63 + 9 + 9k + 9k = 17k

Combine like terms: 63 + 9 = 72
72 + 9k + 9k = 17k

Combine like terms: 9k + 9k = 18k
72 + 18k = 17k

Solving
72 + 18k = 17k

Solving for variable 'k'.

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

Add '-17k' to each side of the equation.
72 + 18k + -17k = 17k + -17k

Combine like terms: 18k + -17k = 1k
72 + 1k = 17k + -17k

Combine like terms: 17k + -17k = 0
72 + 1k = 0

Add '-72' to each side of the equation.
72 + -72 + 1k = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 1k = 0 + -72
1k = 0 + -72

Combine like terms: 0 + -72 = -72
1k = -72

Divide each side by '1'.
k = -72

Simplifying
k = -72

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