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

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


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

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

Reorder the terms:
40 + 5k + -90k = 7k + -5

Combine like terms: 5k + -90k = -85k
40 + -85k = 7k + -5

Reorder the terms:
40 + -85k = -5 + 7k

Solving
40 + -85k = -5 + 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
40 + -85k + -7k = -5 + 7k + -7k

Combine like terms: -85k + -7k = -92k
40 + -92k = -5 + 7k + -7k

Combine like terms: 7k + -7k = 0
40 + -92k = -5 + 0
40 + -92k = -5

Add '-40' to each side of the equation.
40 + -40 + -92k = -5 + -40

Combine like terms: 40 + -40 = 0
0 + -92k = -5 + -40
-92k = -5 + -40

Combine like terms: -5 + -40 = -45
-92k = -45

Divide each side by '-92'.
k = 0.4891304348

Simplifying
k = 0.4891304348

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