-k+3(2k-1)=-3k-9

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


Simplifying
-1k + 3(2k + -1) = -3k + -9

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

Reorder the terms:
-3 + -1k + 6k = -3k + -9

Combine like terms: -1k + 6k = 5k
-3 + 5k = -3k + -9

Reorder the terms:
-3 + 5k = -9 + -3k

Solving
-3 + 5k = -9 + -3k

Solving for variable 'k'.

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

Add '3k' to each side of the equation.
-3 + 5k + 3k = -9 + -3k + 3k

Combine like terms: 5k + 3k = 8k
-3 + 8k = -9 + -3k + 3k

Combine like terms: -3k + 3k = 0
-3 + 8k = -9 + 0
-3 + 8k = -9

Add '3' to each side of the equation.
-3 + 3 + 8k = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 8k = -9 + 3
8k = -9 + 3

Combine like terms: -9 + 3 = -6
8k = -6

Divide each side by '8'.
k = -0.75

Simplifying
k = -0.75

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