3k-(5k+6)-4(1-k)=2+9(k+1)

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Solution for 3k-(5k+6)-4(1-k)=2+9(k+1) equation:


Simplifying
3k + -1(5k + 6) + -4(1 + -1k) = 2 + 9(k + 1)

Reorder the terms:
3k + -1(6 + 5k) + -4(1 + -1k) = 2 + 9(k + 1)
3k + (6 * -1 + 5k * -1) + -4(1 + -1k) = 2 + 9(k + 1)
3k + (-6 + -5k) + -4(1 + -1k) = 2 + 9(k + 1)
3k + -6 + -5k + (1 * -4 + -1k * -4) = 2 + 9(k + 1)
3k + -6 + -5k + (-4 + 4k) = 2 + 9(k + 1)

Reorder the terms:
-6 + -4 + 3k + -5k + 4k = 2 + 9(k + 1)

Combine like terms: -6 + -4 = -10
-10 + 3k + -5k + 4k = 2 + 9(k + 1)

Combine like terms: 3k + -5k = -2k
-10 + -2k + 4k = 2 + 9(k + 1)

Combine like terms: -2k + 4k = 2k
-10 + 2k = 2 + 9(k + 1)

Reorder the terms:
-10 + 2k = 2 + 9(1 + k)
-10 + 2k = 2 + (1 * 9 + k * 9)
-10 + 2k = 2 + (9 + 9k)

Combine like terms: 2 + 9 = 11
-10 + 2k = 11 + 9k

Solving
-10 + 2k = 11 + 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.
-10 + 2k + -9k = 11 + 9k + -9k

Combine like terms: 2k + -9k = -7k
-10 + -7k = 11 + 9k + -9k

Combine like terms: 9k + -9k = 0
-10 + -7k = 11 + 0
-10 + -7k = 11

Add '10' to each side of the equation.
-10 + 10 + -7k = 11 + 10

Combine like terms: -10 + 10 = 0
0 + -7k = 11 + 10
-7k = 11 + 10

Combine like terms: 11 + 10 = 21
-7k = 21

Divide each side by '-7'.
k = -3

Simplifying
k = -3

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