-7(9+3k)=

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Solution for -7(9+3k)= equation: 


Simplifying
-7(9 + 3k) = 0
(9 * -7 + 3k * -7) = 0
(-63 + -21k) = 0

Solving
-63 + -21k = 0

Solving for variable 'k'.

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

Add '63' to each side of the equation.
-63 + 63 + -21k = 0 + 63

Combine like terms: -63 + 63 = 0
0 + -21k = 0 + 63
-21k = 0 + 63

Combine like terms: 0 + 63 = 63
-21k = 63

Divide each side by '-21'.
k = -3

Simplifying
k = -3

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