8n+7-12n=4n+-9n

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Solution for 8n+7-12n=4n+-9n equation:


Simplifying
8n + 7 + -12n = 4n + -9n

Reorder the terms:
7 + 8n + -12n = 4n + -9n

Combine like terms: 8n + -12n = -4n
7 + -4n = 4n + -9n

Combine like terms: 4n + -9n = -5n
7 + -4n = -5n

Solving
7 + -4n = -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
7 + -4n + 5n = -5n + 5n

Combine like terms: -4n + 5n = 1n
7 + 1n = -5n + 5n

Combine like terms: -5n + 5n = 0
7 + 1n = 0

Add '-7' to each side of the equation.
7 + -7 + 1n = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 1n = 0 + -7
1n = 0 + -7

Combine like terms: 0 + -7 = -7
1n = -7

Divide each side by '1'.
n = -7

Simplifying
n = -7

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