6n-15=3n+6

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Solution for 6n-15=3n+6 equation:


Simplifying
6n + -15 = 3n + 6

Reorder the terms:
-15 + 6n = 3n + 6

Reorder the terms:
-15 + 6n = 6 + 3n

Solving
-15 + 6n = 6 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
-15 + 6n + -3n = 6 + 3n + -3n

Combine like terms: 6n + -3n = 3n
-15 + 3n = 6 + 3n + -3n

Combine like terms: 3n + -3n = 0
-15 + 3n = 6 + 0
-15 + 3n = 6

Add '15' to each side of the equation.
-15 + 15 + 3n = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 3n = 6 + 15
3n = 6 + 15

Combine like terms: 6 + 15 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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