7=1-k-k

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Solution for 7=1-k-k equation:


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

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

Solving
7 = 1 + -2k

Solving for variable 'k'.

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

Add '2k' to each side of the equation.
7 + 2k = 1 + -2k + 2k

Combine like terms: -2k + 2k = 0
7 + 2k = 1 + 0
7 + 2k = 1

Add '-7' to each side of the equation.
7 + -7 + 2k = 1 + -7

Combine like terms: 7 + -7 = 0
0 + 2k = 1 + -7
2k = 1 + -7

Combine like terms: 1 + -7 = -6
2k = -6

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

Simplifying
k = -3

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