31-3k-19=15

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Solution for 31-3k-19=15 equation: 


Simplifying
31 + -3k + -19 = 15

Reorder the terms:
31 + -19 + -3k = 15

Combine like terms: 31 + -19 = 12
12 + -3k = 15

Solving
12 + -3k = 15

Solving for variable 'k'.

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

Add '-12' to each side of the equation.
12 + -12 + -3k = 15 + -12

Combine like terms: 12 + -12 = 0
0 + -3k = 15 + -12
-3k = 15 + -12

Combine like terms: 15 + -12 = 3
-3k = 3

Divide each side by '-3'.
k = -1

Simplifying
k = -1

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