-40+8k=-(k-1)+4

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Solution for -40+8k=-(k-1)+4 equation:


Simplifying
-40 + 8k = -1(k + -1) + 4

Reorder the terms:
-40 + 8k = -1(-1 + k) + 4
-40 + 8k = (-1 * -1 + k * -1) + 4
-40 + 8k = (1 + -1k) + 4

Reorder the terms:
-40 + 8k = 1 + 4 + -1k

Combine like terms: 1 + 4 = 5
-40 + 8k = 5 + -1k

Solving
-40 + 8k = 5 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
-40 + 8k + k = 5 + -1k + k

Combine like terms: 8k + k = 9k
-40 + 9k = 5 + -1k + k

Combine like terms: -1k + k = 0
-40 + 9k = 5 + 0
-40 + 9k = 5

Add '40' to each side of the equation.
-40 + 40 + 9k = 5 + 40

Combine like terms: -40 + 40 = 0
0 + 9k = 5 + 40
9k = 5 + 40

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

Divide each side by '9'.
k = 5

Simplifying
k = 5

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