n+(2n-1)+3n=125

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Solution for n+(2n-1)+3n=125 equation:


Simplifying
n + (2n + -1) + 3n = 125

Reorder the terms:
n + (-1 + 2n) + 3n = 125

Remove parenthesis around (-1 + 2n)
n + -1 + 2n + 3n = 125

Reorder the terms:
-1 + n + 2n + 3n = 125

Combine like terms: n + 2n = 3n
-1 + 3n + 3n = 125

Combine like terms: 3n + 3n = 6n
-1 + 6n = 125

Solving
-1 + 6n = 125

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 6n = 125 + 1

Combine like terms: -1 + 1 = 0
0 + 6n = 125 + 1
6n = 125 + 1

Combine like terms: 125 + 1 = 126
6n = 126

Divide each side by '6'.
n = 21

Simplifying
n = 21

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