(3-12k)*(-7)-6k+9=0

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Solution for (3-12k)*(-7)-6k+9=0 equation:


Simplifying
(3 + -12k)(-7) + -6k + 9 = 0

Reorder the terms for easier multiplication:
-7(3 + -12k) + -6k + 9 = 0
(3 * -7 + -12k * -7) + -6k + 9 = 0
(-21 + 84k) + -6k + 9 = 0

Reorder the terms:
-21 + 9 + 84k + -6k = 0

Combine like terms: -21 + 9 = -12
-12 + 84k + -6k = 0

Combine like terms: 84k + -6k = 78k
-12 + 78k = 0

Solving
-12 + 78k = 0

Solving for variable 'k'.

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

Add '12' to each side of the equation.
-12 + 12 + 78k = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 78k = 0 + 12
78k = 0 + 12

Combine like terms: 0 + 12 = 12
78k = 12

Divide each side by '78'.
k = 0.1538461538

Simplifying
k = 0.1538461538

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