2(4k-5)+9(6k+7)=5(5k-8)

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Solution for 2(4k-5)+9(6k+7)=5(5k-8) equation:


Simplifying
2(4k + -5) + 9(6k + 7) = 5(5k + -8)

Reorder the terms:
2(-5 + 4k) + 9(6k + 7) = 5(5k + -8)
(-5 * 2 + 4k * 2) + 9(6k + 7) = 5(5k + -8)
(-10 + 8k) + 9(6k + 7) = 5(5k + -8)

Reorder the terms:
-10 + 8k + 9(7 + 6k) = 5(5k + -8)
-10 + 8k + (7 * 9 + 6k * 9) = 5(5k + -8)
-10 + 8k + (63 + 54k) = 5(5k + -8)

Reorder the terms:
-10 + 63 + 8k + 54k = 5(5k + -8)

Combine like terms: -10 + 63 = 53
53 + 8k + 54k = 5(5k + -8)

Combine like terms: 8k + 54k = 62k
53 + 62k = 5(5k + -8)

Reorder the terms:
53 + 62k = 5(-8 + 5k)
53 + 62k = (-8 * 5 + 5k * 5)
53 + 62k = (-40 + 25k)

Solving
53 + 62k = -40 + 25k

Solving for variable 'k'.

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

Add '-25k' to each side of the equation.
53 + 62k + -25k = -40 + 25k + -25k

Combine like terms: 62k + -25k = 37k
53 + 37k = -40 + 25k + -25k

Combine like terms: 25k + -25k = 0
53 + 37k = -40 + 0
53 + 37k = -40

Add '-53' to each side of the equation.
53 + -53 + 37k = -40 + -53

Combine like terms: 53 + -53 = 0
0 + 37k = -40 + -53
37k = -40 + -53

Combine like terms: -40 + -53 = -93
37k = -93

Divide each side by '37'.
k = -2.513513514

Simplifying
k = -2.513513514

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