11(k+10)-2(5k-5)=9k+7k

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Solution for 11(k+10)-2(5k-5)=9k+7k equation:


Simplifying
11(k + 10) + -2(5k + -5) = 9k + 7k

Reorder the terms:
11(10 + k) + -2(5k + -5) = 9k + 7k
(10 * 11 + k * 11) + -2(5k + -5) = 9k + 7k
(110 + 11k) + -2(5k + -5) = 9k + 7k

Reorder the terms:
110 + 11k + -2(-5 + 5k) = 9k + 7k
110 + 11k + (-5 * -2 + 5k * -2) = 9k + 7k
110 + 11k + (10 + -10k) = 9k + 7k

Reorder the terms:
110 + 10 + 11k + -10k = 9k + 7k

Combine like terms: 110 + 10 = 120
120 + 11k + -10k = 9k + 7k

Combine like terms: 11k + -10k = 1k
120 + 1k = 9k + 7k

Combine like terms: 9k + 7k = 16k
120 + 1k = 16k

Solving
120 + 1k = 16k

Solving for variable 'k'.

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

Add '-16k' to each side of the equation.
120 + 1k + -16k = 16k + -16k

Combine like terms: 1k + -16k = -15k
120 + -15k = 16k + -16k

Combine like terms: 16k + -16k = 0
120 + -15k = 0

Add '-120' to each side of the equation.
120 + -120 + -15k = 0 + -120

Combine like terms: 120 + -120 = 0
0 + -15k = 0 + -120
-15k = 0 + -120

Combine like terms: 0 + -120 = -120
-15k = -120

Divide each side by '-15'.
k = 8

Simplifying
k = 8

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