-12+6+7n=9n+8-20

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Solution for -12+6+7n=9n+8-20 equation:


Simplifying
-12 + 6 + 7n = 9n + 8 + -20

Combine like terms: -12 + 6 = -6
-6 + 7n = 9n + 8 + -20

Reorder the terms:
-6 + 7n = 8 + -20 + 9n

Combine like terms: 8 + -20 = -12
-6 + 7n = -12 + 9n

Solving
-6 + 7n = -12 + 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.
-6 + 7n + -9n = -12 + 9n + -9n

Combine like terms: 7n + -9n = -2n
-6 + -2n = -12 + 9n + -9n

Combine like terms: 9n + -9n = 0
-6 + -2n = -12 + 0
-6 + -2n = -12

Add '6' to each side of the equation.
-6 + 6 + -2n = -12 + 6

Combine like terms: -6 + 6 = 0
0 + -2n = -12 + 6
-2n = -12 + 6

Combine like terms: -12 + 6 = -6
-2n = -6

Divide each side by '-2'.
n = 3

Simplifying
n = 3

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