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

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


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

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

Solving
20 + 20k = -40 + 5k

Solving for variable 'k'.

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

Add '-5k' to each side of the equation.
20 + 20k + -5k = -40 + 5k + -5k

Combine like terms: 20k + -5k = 15k
20 + 15k = -40 + 5k + -5k

Combine like terms: 5k + -5k = 0
20 + 15k = -40 + 0
20 + 15k = -40

Add '-20' to each side of the equation.
20 + -20 + 15k = -40 + -20

Combine like terms: 20 + -20 = 0
0 + 15k = -40 + -20
15k = -40 + -20

Combine like terms: -40 + -20 = -60
15k = -60

Divide each side by '15'.
k = -4

Simplifying
k = -4

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