2k-k-1=7

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Solution for 2k-k-1=7 equation: 


Simplifying
2k + -1k + -1 = 7

Reorder the terms:
-1 + 2k + -1k = 7

Combine like terms: 2k + -1k = 1k
-1 + 1k = 7

Solving
-1 + 1k = 7

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 = 7 + 1

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

Combine like terms: 7 + 1 = 8
1k = 8

Divide each side by '1'.
k = 8

Simplifying
k = 8

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