2k+5k+8=78

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Solution for 2k+5k+8=78 equation: 


Simplifying
2k + 5k + 8 = 78

Reorder the terms:
8 + 2k + 5k = 78

Combine like terms: 2k + 5k = 7k
8 + 7k = 78

Solving
8 + 7k = 78

Solving for variable 'k'.

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

Add '-8' to each side of the equation.
8 + -8 + 7k = 78 + -8

Combine like terms: 8 + -8 = 0
0 + 7k = 78 + -8
7k = 78 + -8

Combine like terms: 78 + -8 = 70
7k = 70

Divide each side by '7'.
k = 10

Simplifying
k = 10

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