5k-1=7k

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Solution for 5k-1=7k equation:


Simplifying
5k + -1 = 7k

Reorder the terms:
-1 + 5k = 7k

Solving
-1 + 5k = 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
-1 + 5k + -7k = 7k + -7k

Combine like terms: 5k + -7k = -2k
-1 + -2k = 7k + -7k

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

Add '1' to each side of the equation.
-1 + 1 + -2k = 0 + 1

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

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

Divide each side by '-2'.
k = -0.5

Simplifying
k = -0.5

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