-42=-4k

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Solution for -42=-4k equation:


Simplifying
-42 = -4k

Solving
-42 = -4k

Solving for variable 'k'.

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

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

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

Add '42' to each side of the equation.
-42 + 42 + 4k = 0 + 42

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

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

Divide each side by '4'.
k = 10.5

Simplifying
k = 10.5

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