18=-4+3(k+9)

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Solution for 18=-4+3(k+9) equation: 


Simplifying
18 = -4 + 3(k + 9)

Reorder the terms:
18 = -4 + 3(9 + k)
18 = -4 + (9 * 3 + k * 3)
18 = -4 + (27 + 3k)

Combine like terms: -4 + 27 = 23
18 = 23 + 3k

Solving
18 = 23 + 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.
18 + -3k = 23 + 3k + -3k

Combine like terms: 3k + -3k = 0
18 + -3k = 23 + 0
18 + -3k = 23

Add '-18' to each side of the equation.
18 + -18 + -3k = 23 + -18

Combine like terms: 18 + -18 = 0
0 + -3k = 23 + -18
-3k = 23 + -18

Combine like terms: 23 + -18 = 5
-3k = 5

Divide each side by '-3'.
k = -1.666666667

Simplifying
k = -1.666666667

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