20n-30=10n

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Solution for 20n-30=10n equation:


Simplifying
20n + -30 = 10n

Reorder the terms:
-30 + 20n = 10n

Solving
-30 + 20n = 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 + 20n + -10n = 10n + -10n

Combine like terms: 20n + -10n = 10n
-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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