7+3(6-k)-7=39

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Solution for 7+3(6-k)-7=39 equation:


Simplifying
7 + 3(6 + -1k) + -7 = 39
7 + (6 * 3 + -1k * 3) + -7 = 39
7 + (18 + -3k) + -7 = 39

Reorder the terms:
7 + 18 + -7 + -3k = 39

Combine like terms: 7 + 18 = 25
25 + -7 + -3k = 39

Combine like terms: 25 + -7 = 18
18 + -3k = 39

Solving
18 + -3k = 39

Solving for variable 'k'.

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

Add '-18' to each side of the equation.
18 + -18 + -3k = 39 + -18

Combine like terms: 18 + -18 = 0
0 + -3k = 39 + -18
-3k = 39 + -18

Combine like terms: 39 + -18 = 21
-3k = 21

Divide each side by '-3'.
k = -7

Simplifying
k = -7

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