2(10k-2)=2(9k-5)

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Solution for 2(10k-2)=2(9k-5) equation:


Simplifying
2(10k + -2) = 2(9k + -5)

Reorder the terms:
2(-2 + 10k) = 2(9k + -5)
(-2 * 2 + 10k * 2) = 2(9k + -5)
(-4 + 20k) = 2(9k + -5)

Reorder the terms:
-4 + 20k = 2(-5 + 9k)
-4 + 20k = (-5 * 2 + 9k * 2)
-4 + 20k = (-10 + 18k)

Solving
-4 + 20k = -10 + 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.
-4 + 20k + -18k = -10 + 18k + -18k

Combine like terms: 20k + -18k = 2k
-4 + 2k = -10 + 18k + -18k

Combine like terms: 18k + -18k = 0
-4 + 2k = -10 + 0
-4 + 2k = -10

Add '4' to each side of the equation.
-4 + 4 + 2k = -10 + 4

Combine like terms: -4 + 4 = 0
0 + 2k = -10 + 4
2k = -10 + 4

Combine like terms: -10 + 4 = -6
2k = -6

Divide each side by '2'.
k = -3

Simplifying
k = -3

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