-5[(9k+6)-(8k-1)]=9(5-k)-5

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Solution for -5[(9k+6)-(8k-1)]=9(5-k)-5 equation:


Simplifying
-5[(9k + 6) + -1(8k + -1)] = 9(5 + -1k) + -5

Reorder the terms:
-5[(6 + 9k) + -1(8k + -1)] = 9(5 + -1k) + -5

Remove parenthesis around (6 + 9k)
-5[6 + 9k + -1(8k + -1)] = 9(5 + -1k) + -5

Reorder the terms:
-5[6 + 9k + -1(-1 + 8k)] = 9(5 + -1k) + -5
-5[6 + 9k + (-1 * -1 + 8k * -1)] = 9(5 + -1k) + -5
-5[6 + 9k + (1 + -8k)] = 9(5 + -1k) + -5

Reorder the terms:
-5[6 + 1 + 9k + -8k] = 9(5 + -1k) + -5

Combine like terms: 6 + 1 = 7
-5[7 + 9k + -8k] = 9(5 + -1k) + -5

Combine like terms: 9k + -8k = 1k
-5[7 + 1k] = 9(5 + -1k) + -5
[7 * -5 + 1k * -5] = 9(5 + -1k) + -5
[-35 + -5k] = 9(5 + -1k) + -5
-35 + -5k = (5 * 9 + -1k * 9) + -5
-35 + -5k = (45 + -9k) + -5

Reorder the terms:
-35 + -5k = 45 + -5 + -9k

Combine like terms: 45 + -5 = 40
-35 + -5k = 40 + -9k

Solving
-35 + -5k = 40 + -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.
-35 + -5k + 9k = 40 + -9k + 9k

Combine like terms: -5k + 9k = 4k
-35 + 4k = 40 + -9k + 9k

Combine like terms: -9k + 9k = 0
-35 + 4k = 40 + 0
-35 + 4k = 40

Add '35' to each side of the equation.
-35 + 35 + 4k = 40 + 35

Combine like terms: -35 + 35 = 0
0 + 4k = 40 + 35
4k = 40 + 35

Combine like terms: 40 + 35 = 75
4k = 75

Divide each side by '4'.
k = 18.75

Simplifying
k = 18.75

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