13-10k=-77

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Solution for 13-10k=-77 equation: 


Simplifying
13 + -10k = -77

Solving
13 + -10k = -77

Solving for variable 'k'.

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

Add '-13' to each side of the equation.
13 + -13 + -10k = -77 + -13

Combine like terms: 13 + -13 = 0
0 + -10k = -77 + -13
-10k = -77 + -13

Combine like terms: -77 + -13 = -90
-10k = -90

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

Simplifying
k = 9

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