12+20k-4=18k-4

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Solution for 12+20k-4=18k-4 equation:


Simplifying
12 + 20k + -4 = 18k + -4

Reorder the terms:
12 + -4 + 20k = 18k + -4

Combine like terms: 12 + -4 = 8
8 + 20k = 18k + -4

Reorder the terms:
8 + 20k = -4 + 18k

Solving
8 + 20k = -4 + 18k

Solving for variable 'k'.

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

Add '-18k' to each side of the equation.
8 + 20k + -18k = -4 + 18k + -18k

Combine like terms: 20k + -18k = 2k
8 + 2k = -4 + 18k + -18k

Combine like terms: 18k + -18k = 0
8 + 2k = -4 + 0
8 + 2k = -4

Add '-8' to each side of the equation.
8 + -8 + 2k = -4 + -8

Combine like terms: 8 + -8 = 0
0 + 2k = -4 + -8
2k = -4 + -8

Combine like terms: -4 + -8 = -12
2k = -12

Divide each side by '2'.
k = -6

Simplifying
k = -6

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