10k+9=-3

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Solution for 10k+9=-3 equation: 


Simplifying
10k + 9 = -3

Reorder the terms:
9 + 10k = -3

Solving
9 + 10k = -3

Solving for variable 'k'.

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

Add '-9' to each side of the equation.
9 + -9 + 10k = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 10k = -3 + -9
10k = -3 + -9

Combine like terms: -3 + -9 = -12
10k = -12

Divide each side by '10'.
k = -1.2

Simplifying
k = -1.2

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