-84=7(-k-6)

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Solution for -84=7(-k-6) equation:


Simplifying
-84 = 7(-1k + -6)

Reorder the terms:
-84 = 7(-6 + -1k)
-84 = (-6 * 7 + -1k * 7)
-84 = (-42 + -7k)

Solving
-84 = -42 + -7k

Solving for variable 'k'.

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

Add '7k' to each side of the equation.
-84 + 7k = -42 + -7k + 7k

Combine like terms: -7k + 7k = 0
-84 + 7k = -42 + 0
-84 + 7k = -42

Add '84' to each side of the equation.
-84 + 84 + 7k = -42 + 84

Combine like terms: -84 + 84 = 0
0 + 7k = -42 + 84
7k = -42 + 84

Combine like terms: -42 + 84 = 42
7k = 42

Divide each side by '7'.
k = 6

Simplifying
k = 6

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