12+7n=8n-4+8

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Solution for 12+7n=8n-4+8 equation:


Simplifying
12 + 7n = 8n + -4 + 8

Reorder the terms:
12 + 7n = -4 + 8 + 8n

Combine like terms: -4 + 8 = 4
12 + 7n = 4 + 8n

Solving
12 + 7n = 4 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
12 + 7n + -8n = 4 + 8n + -8n

Combine like terms: 7n + -8n = -1n
12 + -1n = 4 + 8n + -8n

Combine like terms: 8n + -8n = 0
12 + -1n = 4 + 0
12 + -1n = 4

Add '-12' to each side of the equation.
12 + -12 + -1n = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -1n = 4 + -12
-1n = 4 + -12

Combine like terms: 4 + -12 = -8
-1n = -8

Divide each side by '-1'.
n = 8

Simplifying
n = 8

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