3n-1=3.5-9n

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Solution for 3n-1=3.5-9n equation:


Simplifying
3n + -1 = 3.5 + -9n

Reorder the terms:
-1 + 3n = 3.5 + -9n

Solving
-1 + 3n = 3.5 + -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.
-1 + 3n + 9n = 3.5 + -9n + 9n

Combine like terms: 3n + 9n = 12n
-1 + 12n = 3.5 + -9n + 9n

Combine like terms: -9n + 9n = 0
-1 + 12n = 3.5 + 0
-1 + 12n = 3.5

Add '1' to each side of the equation.
-1 + 1 + 12n = 3.5 + 1

Combine like terms: -1 + 1 = 0
0 + 12n = 3.5 + 1
12n = 3.5 + 1

Combine like terms: 3.5 + 1 = 4.5
12n = 4.5

Divide each side by '12'.
n = 0.375

Simplifying
n = 0.375

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