9=n+1+3n

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Solution for 9=n+1+3n equation:


Simplifying
9 = n + 1 + 3n

Reorder the terms:
9 = 1 + n + 3n

Combine like terms: n + 3n = 4n
9 = 1 + 4n

Solving
9 = 1 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
9 + -4n = 1 + 4n + -4n

Combine like terms: 4n + -4n = 0
9 + -4n = 1 + 0
9 + -4n = 1

Add '-9' to each side of the equation.
9 + -9 + -4n = 1 + -9

Combine like terms: 9 + -9 = 0
0 + -4n = 1 + -9
-4n = 1 + -9

Combine like terms: 1 + -9 = -8
-4n = -8

Divide each side by '-4'.
n = 2

Simplifying
n = 2

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