7k-2(3k+1)-9=0

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Solution for 7k-2(3k+1)-9=0 equation:


Simplifying
7k + -2(3k + 1) + -9 = 0

Reorder the terms:
7k + -2(1 + 3k) + -9 = 0
7k + (1 * -2 + 3k * -2) + -9 = 0
7k + (-2 + -6k) + -9 = 0

Reorder the terms:
-2 + -9 + 7k + -6k = 0

Combine like terms: -2 + -9 = -11
-11 + 7k + -6k = 0

Combine like terms: 7k + -6k = 1k
-11 + 1k = 0

Solving
-11 + 1k = 0

Solving for variable 'k'.

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

Add '11' to each side of the equation.
-11 + 11 + 1k = 0 + 11

Combine like terms: -11 + 11 = 0
0 + 1k = 0 + 11
1k = 0 + 11

Combine like terms: 0 + 11 = 11
1k = 11

Divide each side by '1'.
k = 11

Simplifying
k = 11

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