30=n+9n

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Solution for 30=n+9n equation:


Simplifying
30 = n + 9n

Combine like terms: n + 9n = 10n
30 = 10n

Solving
30 = 10n

Solving for variable 'n'.

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

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

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

Add '-30' to each side of the equation.
30 + -30 + -10n = 0 + -30

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

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

Divide each side by '-10'.
n = 3

Simplifying
n = 3

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