2k+k-2k-1=18

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Solution for 2k+k-2k-1=18 equation: 


Simplifying
2k + k + -2k + -1 = 18

Reorder the terms:
-1 + 2k + k + -2k = 18

Combine like terms: 2k + k = 3k
-1 + 3k + -2k = 18

Combine like terms: 3k + -2k = 1k
-1 + 1k = 18

Solving
-1 + 1k = 18

Solving for variable 'k'.

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

Add '1' to each side of the equation.
-1 + 1 + 1k = 18 + 1

Combine like terms: -1 + 1 = 0
0 + 1k = 18 + 1
1k = 18 + 1

Combine like terms: 18 + 1 = 19
1k = 19

Divide each side by '1'.
k = 19

Simplifying
k = 19

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