2(-3-7k)=9

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Solution for 2(-3-7k)=9 equation: 


Simplifying
2(-3 + -7k) = 9
(-3 * 2 + -7k * 2) = 9
(-6 + -14k) = 9

Solving
-6 + -14k = 9

Solving for variable 'k'.

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

Add '6' to each side of the equation.
-6 + 6 + -14k = 9 + 6

Combine like terms: -6 + 6 = 0
0 + -14k = 9 + 6
-14k = 9 + 6

Combine like terms: 9 + 6 = 15
-14k = 15

Divide each side by '-14'.
k = -1.071428571

Simplifying
k = -1.071428571

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