3(4n-5)+9n=

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Solution for 3(4n-5)+9n= equation:


Simplifying
3(4n + -5) + 9n = 0

Reorder the terms:
3(-5 + 4n) + 9n = 0
(-5 * 3 + 4n * 3) + 9n = 0
(-15 + 12n) + 9n = 0

Combine like terms: 12n + 9n = 21n
-15 + 21n = 0

Solving
-15 + 21n = 0

Solving for variable 'n'.

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

Add '15' to each side of the equation.
-15 + 15 + 21n = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 21n = 0 + 15
21n = 0 + 15

Combine like terms: 0 + 15 = 15
21n = 15

Divide each side by '21'.
n = 0.7142857143

Simplifying
n = 0.7142857143

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