2n+7-8n=34-12n+9

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Solution for 2n+7-8n=34-12n+9 equation:


Simplifying
2n + 7 + -8n = 34 + -12n + 9

Reorder the terms:
7 + 2n + -8n = 34 + -12n + 9

Combine like terms: 2n + -8n = -6n
7 + -6n = 34 + -12n + 9

Reorder the terms:
7 + -6n = 34 + 9 + -12n

Combine like terms: 34 + 9 = 43
7 + -6n = 43 + -12n

Solving
7 + -6n = 43 + -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.
7 + -6n + 12n = 43 + -12n + 12n

Combine like terms: -6n + 12n = 6n
7 + 6n = 43 + -12n + 12n

Combine like terms: -12n + 12n = 0
7 + 6n = 43 + 0
7 + 6n = 43

Add '-7' to each side of the equation.
7 + -7 + 6n = 43 + -7

Combine like terms: 7 + -7 = 0
0 + 6n = 43 + -7
6n = 43 + -7

Combine like terms: 43 + -7 = 36
6n = 36

Divide each side by '6'.
n = 6

Simplifying
n = 6

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