4(k-4)=-40-4k

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Solution for 4(k-4)=-40-4k equation:


Simplifying
4(k + -4) = -40 + -4k

Reorder the terms:
4(-4 + k) = -40 + -4k
(-4 * 4 + k * 4) = -40 + -4k
(-16 + 4k) = -40 + -4k

Solving
-16 + 4k = -40 + -4k

Solving for variable 'k'.

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

Add '4k' to each side of the equation.
-16 + 4k + 4k = -40 + -4k + 4k

Combine like terms: 4k + 4k = 8k
-16 + 8k = -40 + -4k + 4k

Combine like terms: -4k + 4k = 0
-16 + 8k = -40 + 0
-16 + 8k = -40

Add '16' to each side of the equation.
-16 + 16 + 8k = -40 + 16

Combine like terms: -16 + 16 = 0
0 + 8k = -40 + 16
8k = -40 + 16

Combine like terms: -40 + 16 = -24
8k = -24

Divide each side by '8'.
k = -3

Simplifying
k = -3

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