3n-15=5n+3-4n

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Solution for 3n-15=5n+3-4n equation:


Simplifying
3n + -15 = 5n + 3 + -4n

Reorder the terms:
-15 + 3n = 5n + 3 + -4n

Reorder the terms:
-15 + 3n = 3 + 5n + -4n

Combine like terms: 5n + -4n = 1n
-15 + 3n = 3 + 1n

Solving
-15 + 3n = 3 + 1n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-15 + 3n + -1n = 3 + 1n + -1n

Combine like terms: 3n + -1n = 2n
-15 + 2n = 3 + 1n + -1n

Combine like terms: 1n + -1n = 0
-15 + 2n = 3 + 0
-15 + 2n = 3

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

Combine like terms: -15 + 15 = 0
0 + 2n = 3 + 15
2n = 3 + 15

Combine like terms: 3 + 15 = 18
2n = 18

Divide each side by '2'.
n = 9

Simplifying
n = 9

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