7(k+3)=-18-6k

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Solution for 7(k+3)=-18-6k equation:


Simplifying
7(k + 3) = -18 + -6k

Reorder the terms:
7(3 + k) = -18 + -6k
(3 * 7 + k * 7) = -18 + -6k
(21 + 7k) = -18 + -6k

Solving
21 + 7k = -18 + -6k

Solving for variable 'k'.

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

Add '6k' to each side of the equation.
21 + 7k + 6k = -18 + -6k + 6k

Combine like terms: 7k + 6k = 13k
21 + 13k = -18 + -6k + 6k

Combine like terms: -6k + 6k = 0
21 + 13k = -18 + 0
21 + 13k = -18

Add '-21' to each side of the equation.
21 + -21 + 13k = -18 + -21

Combine like terms: 21 + -21 = 0
0 + 13k = -18 + -21
13k = -18 + -21

Combine like terms: -18 + -21 = -39
13k = -39

Divide each side by '13'.
k = -3

Simplifying
k = -3

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