309=6+3n

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Solution for 309=6+3n equation:


Simplifying
309 = 6 + 3n

Solving
309 = 6 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
309 + -3n = 6 + 3n + -3n

Combine like terms: 3n + -3n = 0
309 + -3n = 6 + 0
309 + -3n = 6

Add '-309' to each side of the equation.
309 + -309 + -3n = 6 + -309

Combine like terms: 309 + -309 = 0
0 + -3n = 6 + -309
-3n = 6 + -309

Combine like terms: 6 + -309 = -303
-3n = -303

Divide each side by '-3'.
n = 101

Simplifying
n = 101

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