3(7-k)=6

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


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

Solving
21 + -3k = 6

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 + -3k = 6 + -21

Combine like terms: 21 + -21 = 0
0 + -3k = 6 + -21
-3k = 6 + -21

Combine like terms: 6 + -21 = -15
-3k = -15

Divide each side by '-3'.
k = 5

Simplifying
k = 5

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