7k+k+2k=20

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Solution for 7k+k+2k=20 equation: 


Simplifying
7k + k + 2k = 20

Combine like terms: 7k + k = 8k
8k + 2k = 20

Combine like terms: 8k + 2k = 10k
10k = 20

Solving
10k = 20

Solving for variable 'k'.

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

Divide each side by '10'.
k = 2

Simplifying
k = 2

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