3n-15=2(-n)

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Solution for 3n-15=2(-n) equation:


Simplifying
3n + -15 = 2(-1n)

Reorder the terms:
-15 + 3n = 2(-1n)

Remove parenthesis around (-1n)
-15 + 3n = 2 * -1n

Multiply 2 * -1
-15 + 3n = -2n

Solving
-15 + 3n = -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
-15 + 3n + 2n = -2n + 2n

Combine like terms: 3n + 2n = 5n
-15 + 5n = -2n + 2n

Combine like terms: -2n + 2n = 0
-15 + 5n = 0

Add '15' to each side of the equation.
-15 + 15 + 5n = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 5n = 0 + 15
5n = 0 + 15

Combine like terms: 0 + 15 = 15
5n = 15

Divide each side by '5'.
n = 3

Simplifying
n = 3

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