-86=8k+2(5k-7)

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Solution for -86=8k+2(5k-7) equation:


Simplifying
-86 = 8k + 2(5k + -7)

Reorder the terms:
-86 = 8k + 2(-7 + 5k)
-86 = 8k + (-7 * 2 + 5k * 2)
-86 = 8k + (-14 + 10k)

Reorder the terms:
-86 = -14 + 8k + 10k

Combine like terms: 8k + 10k = 18k
-86 = -14 + 18k

Solving
-86 = -14 + 18k

Solving for variable 'k'.

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

Add '-18k' to each side of the equation.
-86 + -18k = -14 + 18k + -18k

Combine like terms: 18k + -18k = 0
-86 + -18k = -14 + 0
-86 + -18k = -14

Add '86' to each side of the equation.
-86 + 86 + -18k = -14 + 86

Combine like terms: -86 + 86 = 0
0 + -18k = -14 + 86
-18k = -14 + 86

Combine like terms: -14 + 86 = 72
-18k = 72

Divide each side by '-18'.
k = -4

Simplifying
k = -4

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