-7(6k-3)=21-k

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Solution for -7(6k-3)=21-k equation:


Simplifying
-7(6k + -3) = 21 + -1k

Reorder the terms:
-7(-3 + 6k) = 21 + -1k
(-3 * -7 + 6k * -7) = 21 + -1k
(21 + -42k) = 21 + -1k

Add '-21' to each side of the equation.
21 + -21 + -42k = 21 + -21 + -1k

Combine like terms: 21 + -21 = 0
0 + -42k = 21 + -21 + -1k
-42k = 21 + -21 + -1k

Combine like terms: 21 + -21 = 0
-42k = 0 + -1k
-42k = -1k

Solving
-42k = -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
-42k + k = -1k + k

Combine like terms: -42k + k = -41k
-41k = -1k + k

Combine like terms: -1k + k = 0
-41k = 0

Divide each side by '-41'.
k = 0

Simplifying
k = 0

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