2k-(k-1)=7

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


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

Reorder the terms:
2k + -1(-1 + k) = 7
2k + (-1 * -1 + k * -1) = 7
2k + (1 + -1k) = 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 = 6
1k = 6

Divide each side by '1'.
k = 6

Simplifying
k = 6

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