3k-15=78

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Solution for 3k-15=78 equation: 


Simplifying
3k + -15 = 78

Reorder the terms:
-15 + 3k = 78

Solving
-15 + 3k = 78

Solving for variable 'k'.

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

Add '15' to each side of the equation.
-15 + 15 + 3k = 78 + 15

Combine like terms: -15 + 15 = 0
0 + 3k = 78 + 15
3k = 78 + 15

Combine like terms: 78 + 15 = 93
3k = 93

Divide each side by '3'.
k = 31

Simplifying
k = 31

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