8(5k+7)=1(9k+2)

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Solution for 8(5k+7)=1(9k+2) equation:


Simplifying
8(5k + 7) = 1(9k + 2)

Reorder the terms:
8(7 + 5k) = 1(9k + 2)
(7 * 8 + 5k * 8) = 1(9k + 2)
(56 + 40k) = 1(9k + 2)

Reorder the terms:
56 + 40k = 1(2 + 9k)
56 + 40k = (2 * 1 + 9k * 1)
56 + 40k = (2 + 9k)

Solving
56 + 40k = 2 + 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
56 + 40k + -9k = 2 + 9k + -9k

Combine like terms: 40k + -9k = 31k
56 + 31k = 2 + 9k + -9k

Combine like terms: 9k + -9k = 0
56 + 31k = 2 + 0
56 + 31k = 2

Add '-56' to each side of the equation.
56 + -56 + 31k = 2 + -56

Combine like terms: 56 + -56 = 0
0 + 31k = 2 + -56
31k = 2 + -56

Combine like terms: 2 + -56 = -54
31k = -54

Divide each side by '31'.
k = -1.741935484

Simplifying
k = -1.741935484

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