4(2k+1)-23=21

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Solution for 4(2k+1)-23=21 equation:


Simplifying
4(2k + 1) + -23 = 21

Reorder the terms:
4(1 + 2k) + -23 = 21
(1 * 4 + 2k * 4) + -23 = 21
(4 + 8k) + -23 = 21

Reorder the terms:
4 + -23 + 8k = 21

Combine like terms: 4 + -23 = -19
-19 + 8k = 21

Solving
-19 + 8k = 21

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 + 8k = 21 + 19

Combine like terms: -19 + 19 = 0
0 + 8k = 21 + 19
8k = 21 + 19

Combine like terms: 21 + 19 = 40
8k = 40

Divide each side by '8'.
k = 5

Simplifying
k = 5

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