-12=3-2k-3(k+2)

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Solution for -12=3-2k-3(k+2) equation:


Simplifying
-12 = 3 + -2k + -3(k + 2)

Reorder the terms:
-12 = 3 + -2k + -3(2 + k)
-12 = 3 + -2k + (2 * -3 + k * -3)
-12 = 3 + -2k + (-6 + -3k)

Reorder the terms:
-12 = 3 + -6 + -2k + -3k

Combine like terms: 3 + -6 = -3
-12 = -3 + -2k + -3k

Combine like terms: -2k + -3k = -5k
-12 = -3 + -5k

Solving
-12 = -3 + -5k

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
-12 + 5k = -3 + -5k + 5k

Combine like terms: -5k + 5k = 0
-12 + 5k = -3 + 0
-12 + 5k = -3

Add '12' to each side of the equation.
-12 + 12 + 5k = -3 + 12

Combine like terms: -12 + 12 = 0
0 + 5k = -3 + 12
5k = -3 + 12

Combine like terms: -3 + 12 = 9
5k = 9

Divide each side by '5'.
k = 1.8

Simplifying
k = 1.8

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