31-3k=100

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Solution for 31-3k=100 equation: 


Simplifying
31 + -3k = 100

Solving
31 + -3k = 100

Solving for variable 'k'.

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

Add '-31' to each side of the equation.
31 + -31 + -3k = 100 + -31

Combine like terms: 31 + -31 = 0
0 + -3k = 100 + -31
-3k = 100 + -31

Combine like terms: 100 + -31 = 69
-3k = 69

Divide each side by '-3'.
k = -23

Simplifying
k = -23

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