4k-42=-1

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Solution for 4k-42=-1 equation: 


Simplifying
4k + -42 = -1

Reorder the terms:
-42 + 4k = -1

Solving
-42 + 4k = -1

Solving for variable 'k'.

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

Add '42' to each side of the equation.
-42 + 42 + 4k = -1 + 42

Combine like terms: -42 + 42 = 0
0 + 4k = -1 + 42
4k = -1 + 42

Combine like terms: -1 + 42 = 41
4k = 41

Divide each side by '4'.
k = 10.25

Simplifying
k = 10.25

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