3k+9=2(k+6)

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Solution for 3k+9=2(k+6) equation:


Simplifying
3k + 9 = 2(k + 6)

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

Reorder the terms:
9 + 3k = 2(6 + k)
9 + 3k = (6 * 2 + k * 2)
9 + 3k = (12 + 2k)

Solving
9 + 3k = 12 + 2k

Solving for variable 'k'.

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

Add '-2k' to each side of the equation.
9 + 3k + -2k = 12 + 2k + -2k

Combine like terms: 3k + -2k = 1k
9 + 1k = 12 + 2k + -2k

Combine like terms: 2k + -2k = 0
9 + 1k = 12 + 0
9 + 1k = 12

Add '-9' to each side of the equation.
9 + -9 + 1k = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 1k = 12 + -9
1k = 12 + -9

Combine like terms: 12 + -9 = 3
1k = 3

Divide each side by '1'.
k = 3

Simplifying
k = 3

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