10(k-9)=-10

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Solution for 10(k-9)=-10 equation: 


Simplifying
10(k + -9) = -10

Reorder the terms:
10(-9 + k) = -10
(-9 * 10 + k * 10) = -10
(-90 + 10k) = -10

Solving
-90 + 10k = -10

Solving for variable 'k'.

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

Add '90' to each side of the equation.
-90 + 90 + 10k = -10 + 90

Combine like terms: -90 + 90 = 0
0 + 10k = -10 + 90
10k = -10 + 90

Combine like terms: -10 + 90 = 80
10k = 80

Divide each side by '10'.
k = 8

Simplifying
k = 8

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