8k+k-2k-3=18

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Solution for 8k+k-2k-3=18 equation:


Simplifying
8k + k + -2k + -3 = 18

Reorder the terms:
-3 + 8k + k + -2k = 18

Combine like terms: 8k + k = 9k
-3 + 9k + -2k = 18

Combine like terms: 9k + -2k = 7k
-3 + 7k = 18

Solving
-3 + 7k = 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 + 7k = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 7k = 18 + 3
7k = 18 + 3

Combine like terms: 18 + 3 = 21
7k = 21

Divide each side by '7'.
k = 3

Simplifying
k = 3

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