-1=7-2k

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Solution for -1=7-2k equation:


Simplifying
-1 = 7 + -2k

Solving
-1 = 7 + -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.
-1 + 2k = 7 + -2k + 2k

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

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

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

Combine like terms: 7 + 1 = 8
2k = 8

Divide each side by '2'.
k = 4

Simplifying
k = 4

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