-10=10(9-k)

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


Simplifying
-10 = 10(9 + -1k)
-10 = (9 * 10 + -1k * 10)
-10 = (90 + -10k)

Solving
-10 = 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.
-10 + 10k = 90 + -10k + 10k

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

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

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

Combine like terms: 90 + 10 = 100
10k = 100

Divide each side by '10'.
k = 10

Simplifying
k = 10

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