5k-10(9k-4)=7k-5(10-3k)

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Solution for 5k-10(9k-4)=7k-5(10-3k) equation:


Simplifying
5k + -10(9k + -4) = 7k + -5(10 + -3k)

Reorder the terms:
5k + -10(-4 + 9k) = 7k + -5(10 + -3k)
5k + (-4 * -10 + 9k * -10) = 7k + -5(10 + -3k)
5k + (40 + -90k) = 7k + -5(10 + -3k)

Reorder the terms:
40 + 5k + -90k = 7k + -5(10 + -3k)

Combine like terms: 5k + -90k = -85k
40 + -85k = 7k + -5(10 + -3k)
40 + -85k = 7k + (10 * -5 + -3k * -5)
40 + -85k = 7k + (-50 + 15k)

Reorder the terms:
40 + -85k = -50 + 7k + 15k

Combine like terms: 7k + 15k = 22k
40 + -85k = -50 + 22k

Solving
40 + -85k = -50 + 22k

Solving for variable 'k'.

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

Add '-22k' to each side of the equation.
40 + -85k + -22k = -50 + 22k + -22k

Combine like terms: -85k + -22k = -107k
40 + -107k = -50 + 22k + -22k

Combine like terms: 22k + -22k = 0
40 + -107k = -50 + 0
40 + -107k = -50

Add '-40' to each side of the equation.
40 + -40 + -107k = -50 + -40

Combine like terms: 40 + -40 = 0
0 + -107k = -50 + -40
-107k = -50 + -40

Combine like terms: -50 + -40 = -90
-107k = -90

Divide each side by '-107'.
k = 0.8411214953

Simplifying
k = 0.8411214953

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