3k+19+7k=81

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Solution for 3k+19+7k=81 equation:


Simplifying
3k + 19 + 7k = 81

Reorder the terms:
19 + 3k + 7k = 81

Combine like terms: 3k + 7k = 10k
19 + 10k = 81

Solving
19 + 10k = 81

Solving for variable 'k'.

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

Add '-19' to each side of the equation.
19 + -19 + 10k = 81 + -19

Combine like terms: 19 + -19 = 0
0 + 10k = 81 + -19
10k = 81 + -19

Combine like terms: 81 + -19 = 62
10k = 62

Divide each side by '10'.
k = 6.2

Simplifying
k = 6.2

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