(k-21)(-8)=

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Solution for (k-21)(-8)= equation:


Simplifying
(k + -21)(-8) = 0

Reorder the terms:
(-21 + k)(-8) = 0

Reorder the terms for easier multiplication:
-8(-21 + k) = 0
(-21 * -8 + k * -8) = 0
(168 + -8k) = 0

Solving
168 + -8k = 0

Solving for variable 'k'.

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

Add '-168' to each side of the equation.
168 + -168 + -8k = 0 + -168

Combine like terms: 168 + -168 = 0
0 + -8k = 0 + -168
-8k = 0 + -168

Combine like terms: 0 + -168 = -168
-8k = -168

Divide each side by '-8'.
k = 21

Simplifying
k = 21

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