7k-6-3k=30

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Solution for 7k-6-3k=30 equation: 


Simplifying
7k + -6 + -3k = 30

Reorder the terms:
-6 + 7k + -3k = 30

Combine like terms: 7k + -3k = 4k
-6 + 4k = 30

Solving
-6 + 4k = 30

Solving for variable 'k'.

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

Add '6' to each side of the equation.
-6 + 6 + 4k = 30 + 6

Combine like terms: -6 + 6 = 0
0 + 4k = 30 + 6
4k = 30 + 6

Combine like terms: 30 + 6 = 36
4k = 36

Divide each side by '4'.
k = 9

Simplifying
k = 9

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