7+3n-3=9n+12-4

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Solution for 7+3n-3=9n+12-4 equation:


Simplifying
7 + 3n + -3 = 9n + 12 + -4

Reorder the terms:
7 + -3 + 3n = 9n + 12 + -4

Combine like terms: 7 + -3 = 4
4 + 3n = 9n + 12 + -4

Reorder the terms:
4 + 3n = 12 + -4 + 9n

Combine like terms: 12 + -4 = 8
4 + 3n = 8 + 9n

Solving
4 + 3n = 8 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
4 + 3n + -9n = 8 + 9n + -9n

Combine like terms: 3n + -9n = -6n
4 + -6n = 8 + 9n + -9n

Combine like terms: 9n + -9n = 0
4 + -6n = 8 + 0
4 + -6n = 8

Add '-4' to each side of the equation.
4 + -4 + -6n = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -6n = 8 + -4
-6n = 8 + -4

Combine like terms: 8 + -4 = 4
-6n = 4

Divide each side by '-6'.
n = -0.6666666667

Simplifying
n = -0.6666666667

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