5(k+7)=-5(k+3)

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Solution for 5(k+7)=-5(k+3) equation:


Simplifying
5(k + 7) = -5(k + 3)

Reorder the terms:
5(7 + k) = -5(k + 3)
(7 * 5 + k * 5) = -5(k + 3)
(35 + 5k) = -5(k + 3)

Reorder the terms:
35 + 5k = -5(3 + k)
35 + 5k = (3 * -5 + k * -5)
35 + 5k = (-15 + -5k)

Solving
35 + 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.
35 + 5k + 5k = -15 + -5k + 5k

Combine like terms: 5k + 5k = 10k
35 + 10k = -15 + -5k + 5k

Combine like terms: -5k + 5k = 0
35 + 10k = -15 + 0
35 + 10k = -15

Add '-35' to each side of the equation.
35 + -35 + 10k = -15 + -35

Combine like terms: 35 + -35 = 0
0 + 10k = -15 + -35
10k = -15 + -35

Combine like terms: -15 + -35 = -50
10k = -50

Divide each side by '10'.
k = -5

Simplifying
k = -5

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