5(4+7k)-4k=-4k-15

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Solution for 5(4+7k)-4k=-4k-15 equation:


Simplifying
5(4 + 7k) + -4k = -4k + -15
(4 * 5 + 7k * 5) + -4k = -4k + -15
(20 + 35k) + -4k = -4k + -15

Combine like terms: 35k + -4k = 31k
20 + 31k = -4k + -15

Reorder the terms:
20 + 31k = -15 + -4k

Solving
20 + 31k = -15 + -4k

Solving for variable 'k'.

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

Add '4k' to each side of the equation.
20 + 31k + 4k = -15 + -4k + 4k

Combine like terms: 31k + 4k = 35k
20 + 35k = -15 + -4k + 4k

Combine like terms: -4k + 4k = 0
20 + 35k = -15 + 0
20 + 35k = -15

Add '-20' to each side of the equation.
20 + -20 + 35k = -15 + -20

Combine like terms: 20 + -20 = 0
0 + 35k = -15 + -20
35k = -15 + -20

Combine like terms: -15 + -20 = -35
35k = -35

Divide each side by '35'.
k = -1

Simplifying
k = -1

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