-5(-k-20)+15=-5k-18+3

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Solution for -5(-k-20)+15=-5k-18+3 equation:


Simplifying
-5(-1k + -20) + 15 = -5k + -18 + 3

Reorder the terms:
-5(-20 + -1k) + 15 = -5k + -18 + 3
(-20 * -5 + -1k * -5) + 15 = -5k + -18 + 3
(100 + 5k) + 15 = -5k + -18 + 3

Reorder the terms:
100 + 15 + 5k = -5k + -18 + 3

Combine like terms: 100 + 15 = 115
115 + 5k = -5k + -18 + 3

Reorder the terms:
115 + 5k = -18 + 3 + -5k

Combine like terms: -18 + 3 = -15
115 + 5k = -15 + -5k

Solving
115 + 5k = -15 + -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.
115 + 5k + 5k = -15 + -5k + 5k

Combine like terms: 5k + 5k = 10k
115 + 10k = -15 + -5k + 5k

Combine like terms: -5k + 5k = 0
115 + 10k = -15 + 0
115 + 10k = -15

Add '-115' to each side of the equation.
115 + -115 + 10k = -15 + -115

Combine like terms: 115 + -115 = 0
0 + 10k = -15 + -115
10k = -15 + -115

Combine like terms: -15 + -115 = -130
10k = -130

Divide each side by '10'.
k = -13

Simplifying
k = -13

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