7k-4k-3=18

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Solution for 7k-4k-3=18 equation: 


Simplifying
7k + -4k + -3 = 18

Reorder the terms:
-3 + 7k + -4k = 18

Combine like terms: 7k + -4k = 3k
-3 + 3k = 18

Solving
-3 + 3k = 18

Solving for variable 'k'.

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

Add '3' to each side of the equation.
-3 + 3 + 3k = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 3k = 18 + 3
3k = 18 + 3

Combine like terms: 18 + 3 = 21
3k = 21

Divide each side by '3'.
k = 7

Simplifying
k = 7

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