k-90=-120

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Solution for k-90=-120 equation: 


Simplifying
k + -90 = -120

Reorder the terms:
-90 + k = -120

Solving
-90 + k = -120

Solving for variable 'k'.

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

Add '90' to each side of the equation.
-90 + 90 + k = -120 + 90

Combine like terms: -90 + 90 = 0
0 + k = -120 + 90
k = -120 + 90

Combine like terms: -120 + 90 = -30
k = -30

Simplifying
k = -30

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