-7(3k-3)=-84

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Solution for -7(3k-3)=-84 equation:


Simplifying
-7(3k + -3) = -84

Reorder the terms:
-7(-3 + 3k) = -84
(-3 * -7 + 3k * -7) = -84
(21 + -21k) = -84

Solving
21 + -21k = -84

Solving for variable 'k'.

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

Add '-21' to each side of the equation.
21 + -21 + -21k = -84 + -21

Combine like terms: 21 + -21 = 0
0 + -21k = -84 + -21
-21k = -84 + -21

Combine like terms: -84 + -21 = -105
-21k = -105

Divide each side by '-21'.
k = 5

Simplifying
k = 5

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