5(3+k)=-40

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Solution for 5(3+k)=-40 equation: 


Simplifying
5(3 + k) = -40
(3 * 5 + k * 5) = -40
(15 + 5k) = -40

Solving
15 + 5k = -40

Solving for variable 'k'.

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

Add '-15' to each side of the equation.
15 + -15 + 5k = -40 + -15

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

Combine like terms: -40 + -15 = -55
5k = -55

Divide each side by '5'.
k = -11

Simplifying
k = -11

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