-4=(5+k)2

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Solution for -4=(5+k)2 equation:


Simplifying
-4 = (5 + k) * 2

Reorder the terms for easier multiplication:
-4 = 2(5 + k)
-4 = (5 * 2 + k * 2)
-4 = (10 + 2k)

Solving
-4 = 10 + 2k

Solving for variable 'k'.

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

Add '-2k' to each side of the equation.
-4 + -2k = 10 + 2k + -2k

Combine like terms: 2k + -2k = 0
-4 + -2k = 10 + 0
-4 + -2k = 10

Add '4' to each side of the equation.
-4 + 4 + -2k = 10 + 4

Combine like terms: -4 + 4 = 0
0 + -2k = 10 + 4
-2k = 10 + 4

Combine like terms: 10 + 4 = 14
-2k = 14

Divide each side by '-2'.
k = -7

Simplifying
k = -7

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