19-10=10(k-9)

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Solution for 19-10=10(k-9) equation:


Simplifying
19 + -10 = 10(k + -9)

Combine like terms: 19 + -10 = 9
9 = 10(k + -9)

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

Solving
9 = -90 + 10k

Solving for variable 'k'.

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

Add '-10k' to each side of the equation.
9 + -10k = -90 + 10k + -10k

Combine like terms: 10k + -10k = 0
9 + -10k = -90 + 0
9 + -10k = -90

Add '-9' to each side of the equation.
9 + -9 + -10k = -90 + -9

Combine like terms: 9 + -9 = 0
0 + -10k = -90 + -9
-10k = -90 + -9

Combine like terms: -90 + -9 = -99
-10k = -99

Divide each side by '-10'.
k = 9.9

Simplifying
k = 9.9

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