3n-1=10.5

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Solution for 3n-1=10.5 equation: 


Simplifying
3n + -1 = 10.5

Reorder the terms:
-1 + 3n = 10.5

Solving
-1 + 3n = 10.5

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 + 3n = 10.5 + 1

Combine like terms: -1 + 1 = 0
0 + 3n = 10.5 + 1
3n = 10.5 + 1

Combine like terms: 10.5 + 1 = 11.5
3n = 11.5

Divide each side by '3'.
n = 3.833333333

Simplifying
n = 3.833333333

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