4=2k-5(k+7)

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Solution for 4=2k-5(k+7) equation:


Simplifying
4 = 2k + -5(k + 7)

Reorder the terms:
4 = 2k + -5(7 + k)
4 = 2k + (7 * -5 + k * -5)
4 = 2k + (-35 + -5k)

Reorder the terms:
4 = -35 + 2k + -5k

Combine like terms: 2k + -5k = -3k
4 = -35 + -3k

Solving
4 = -35 + -3k

Solving for variable 'k'.

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

Add '3k' to each side of the equation.
4 + 3k = -35 + -3k + 3k

Combine like terms: -3k + 3k = 0
4 + 3k = -35 + 0
4 + 3k = -35

Add '-4' to each side of the equation.
4 + -4 + 3k = -35 + -4

Combine like terms: 4 + -4 = 0
0 + 3k = -35 + -4
3k = -35 + -4

Combine like terms: -35 + -4 = -39
3k = -39

Divide each side by '3'.
k = -13

Simplifying
k = -13

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