3(n+10)=9n

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Solution for 3(n+10)=9n equation:


Simplifying
3(n + 10) = 9n

Reorder the terms:
3(10 + n) = 9n
(10 * 3 + n * 3) = 9n
(30 + 3n) = 9n

Solving
30 + 3n = 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
30 + 3n + -9n = 9n + -9n

Combine like terms: 3n + -9n = -6n
30 + -6n = 9n + -9n

Combine like terms: 9n + -9n = 0
30 + -6n = 0

Add '-30' to each side of the equation.
30 + -30 + -6n = 0 + -30

Combine like terms: 30 + -30 = 0
0 + -6n = 0 + -30
-6n = 0 + -30

Combine like terms: 0 + -30 = -30
-6n = -30

Divide each side by '-6'.
n = 5

Simplifying
n = 5

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