-5(k-3)=-90

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Solution for -5(k-3)=-90 equation: 


Simplifying
-5(k + -3) = -90

Reorder the terms:
-5(-3 + k) = -90
(-3 * -5 + k * -5) = -90
(15 + -5k) = -90

Solving
15 + -5k = -90

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 = -90 + -15

Combine like terms: 15 + -15 = 0
0 + -5k = -90 + -15
-5k = -90 + -15

Combine like terms: -90 + -15 = -105
-5k = -105

Divide each side by '-5'.
k = 21

Simplifying
k = 21

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