6n+3=12n-15

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Solution for 6n+3=12n-15 equation:


Simplifying
6n + 3 = 12n + -15

Reorder the terms:
3 + 6n = 12n + -15

Reorder the terms:
3 + 6n = -15 + 12n

Solving
3 + 6n = -15 + 12n

Solving for variable 'n'.

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

Add '-12n' to each side of the equation.
3 + 6n + -12n = -15 + 12n + -12n

Combine like terms: 6n + -12n = -6n
3 + -6n = -15 + 12n + -12n

Combine like terms: 12n + -12n = 0
3 + -6n = -15 + 0
3 + -6n = -15

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

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

Combine like terms: -15 + -3 = -18
-6n = -18

Divide each side by '-6'.
n = 3

Simplifying
n = 3

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