(n-9)*10=30

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Solution for (n-9)*10=30 equation:


Simplifying
(n + -9) * 10 = 30

Reorder the terms:
(-9 + n) * 10 = 30

Reorder the terms for easier multiplication:
10(-9 + n) = 30
(-9 * 10 + n * 10) = 30
(-90 + 10n) = 30

Solving
-90 + 10n = 30

Solving for variable 'n'.

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

Add '90' to each side of the equation.
-90 + 90 + 10n = 30 + 90

Combine like terms: -90 + 90 = 0
0 + 10n = 30 + 90
10n = 30 + 90

Combine like terms: 30 + 90 = 120
10n = 120

Divide each side by '10'.
n = 12

Simplifying
n = 12

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