-10=10(k-90)

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Solution for -10=10(k-90) equation:


Simplifying
-10 = 10(k + -90)

Reorder the terms:
-10 = 10(-90 + k)
-10 = (-90 * 10 + k * 10)
-10 = (-900 + 10k)

Solving
-10 = -900 + 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 = -900 + 10k + -10k

Combine like terms: 10k + -10k = 0
-10 + -10k = -900 + 0
-10 + -10k = -900

Add '10' to each side of the equation.
-10 + 10 + -10k = -900 + 10

Combine like terms: -10 + 10 = 0
0 + -10k = -900 + 10
-10k = -900 + 10

Combine like terms: -900 + 10 = -890
-10k = -890

Divide each side by '-10'.
k = 89

Simplifying
k = 89

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