89+k=42

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Solution for 89+k=42 equation: 


Simplifying
89 + k = 42

Solving
89 + k = 42

Solving for variable 'k'.

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

Add '-89' to each side of the equation.
89 + -89 + k = 42 + -89

Combine like terms: 89 + -89 = 0
0 + k = 42 + -89
k = 42 + -89

Combine like terms: 42 + -89 = -47
k = -47

Simplifying
k = -47

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