80=9k-10

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Solution for 80=9k-10 equation:


Simplifying
80 = 9k + -10

Reorder the terms:
80 = -10 + 9k

Solving
80 = -10 + 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.
80 + -9k = -10 + 9k + -9k

Combine like terms: 9k + -9k = 0
80 + -9k = -10 + 0
80 + -9k = -10

Add '-80' to each side of the equation.
80 + -80 + -9k = -10 + -80

Combine like terms: 80 + -80 = 0
0 + -9k = -10 + -80
-9k = -10 + -80

Combine like terms: -10 + -80 = -90
-9k = -90

Divide each side by '-9'.
k = 10

Simplifying
k = 10

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