-1(7+k)=5(k-8)

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Solution for -1(7+k)=5(k-8) equation:


Simplifying
-1(7 + k) = 5(k + -8)
(7 * -1 + k * -1) = 5(k + -8)
(-7 + -1k) = 5(k + -8)

Reorder the terms:
-7 + -1k = 5(-8 + k)
-7 + -1k = (-8 * 5 + k * 5)
-7 + -1k = (-40 + 5k)

Solving
-7 + -1k = -40 + 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.
-7 + -1k + -5k = -40 + 5k + -5k

Combine like terms: -1k + -5k = -6k
-7 + -6k = -40 + 5k + -5k

Combine like terms: 5k + -5k = 0
-7 + -6k = -40 + 0
-7 + -6k = -40

Add '7' to each side of the equation.
-7 + 7 + -6k = -40 + 7

Combine like terms: -7 + 7 = 0
0 + -6k = -40 + 7
-6k = -40 + 7

Combine like terms: -40 + 7 = -33
-6k = -33

Divide each side by '-6'.
k = 5.5

Simplifying
k = 5.5

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