5k+2(k-1)=23

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Solution for 5k+2(k-1)=23 equation:


Simplifying
5k + 2(k + -1) = 23

Reorder the terms:
5k + 2(-1 + k) = 23
5k + (-1 * 2 + k * 2) = 23
5k + (-2 + 2k) = 23

Reorder the terms:
-2 + 5k + 2k = 23

Combine like terms: 5k + 2k = 7k
-2 + 7k = 23

Solving
-2 + 7k = 23

Solving for variable 'k'.

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

Add '2' to each side of the equation.
-2 + 2 + 7k = 23 + 2

Combine like terms: -2 + 2 = 0
0 + 7k = 23 + 2
7k = 23 + 2

Combine like terms: 23 + 2 = 25
7k = 25

Divide each side by '7'.
k = 3.571428571

Simplifying
k = 3.571428571

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