-40+8k=4(5k+5)

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Solution for -40+8k=4(5k+5) equation:


Simplifying
-40 + 8k = 4(5k + 5)

Reorder the terms:
-40 + 8k = 4(5 + 5k)
-40 + 8k = (5 * 4 + 5k * 4)
-40 + 8k = (20 + 20k)

Solving
-40 + 8k = 20 + 20k

Solving for variable 'k'.

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

Add '-20k' to each side of the equation.
-40 + 8k + -20k = 20 + 20k + -20k

Combine like terms: 8k + -20k = -12k
-40 + -12k = 20 + 20k + -20k

Combine like terms: 20k + -20k = 0
-40 + -12k = 20 + 0
-40 + -12k = 20

Add '40' to each side of the equation.
-40 + 40 + -12k = 20 + 40

Combine like terms: -40 + 40 = 0
0 + -12k = 20 + 40
-12k = 20 + 40

Combine like terms: 20 + 40 = 60
-12k = 60

Divide each side by '-12'.
k = -5

Simplifying
k = -5

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