6(2.1k-2)+(7k+5)=

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Solution for 6(2.1k-2)+(7k+5)= equation:


Simplifying
6(2.1k + -2) + (7k + 5) = 0

Reorder the terms:
6(-2 + 2.1k) + (7k + 5) = 0
(-2 * 6 + 2.1k * 6) + (7k + 5) = 0
(-12 + 12.6k) + (7k + 5) = 0

Reorder the terms:
-12 + 12.6k + (5 + 7k) = 0

Remove parenthesis around (5 + 7k)
-12 + 12.6k + 5 + 7k = 0

Reorder the terms:
-12 + 5 + 12.6k + 7k = 0

Combine like terms: -12 + 5 = -7
-7 + 12.6k + 7k = 0

Combine like terms: 12.6k + 7k = 19.6k
-7 + 19.6k = 0

Solving
-7 + 19.6k = 0

Solving for variable 'k'.

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

Add '7' to each side of the equation.
-7 + 7 + 19.6k = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 19.6k = 0 + 7
19.6k = 0 + 7

Combine like terms: 0 + 7 = 7
19.6k = 7

Divide each side by '19.6'.
k = 0.3571428571

Simplifying
k = 0.3571428571

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