7k+4k-7k+k-4k=18

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Solution for 7k+4k-7k+k-4k=18 equation: 


Simplifying
7k + 4k + -7k + k + -4k = 18

Combine like terms: 7k + 4k = 11k
11k + -7k + k + -4k = 18

Combine like terms: 11k + -7k = 4k
4k + k + -4k = 18

Combine like terms: 4k + k = 5k
5k + -4k = 18

Combine like terms: 5k + -4k = 1k
1k = 18

Solving
1k = 18

Solving for variable 'k'.

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

Divide each side by '1'.
k = 18

Simplifying
k = 18

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