10n+12-9-7n+4n=

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Solution for 10n+12-9-7n+4n= equation:


Simplifying
10n + 12 + -9 + -7n + 4n = 0

Reorder the terms:
12 + -9 + 10n + -7n + 4n = 0

Combine like terms: 12 + -9 = 3
3 + 10n + -7n + 4n = 0

Combine like terms: 10n + -7n = 3n
3 + 3n + 4n = 0

Combine like terms: 3n + 4n = 7n
3 + 7n = 0

Solving
3 + 7n = 0

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 7n = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 7n = 0 + -3
7n = 0 + -3

Combine like terms: 0 + -3 = -3
7n = -3

Divide each side by '7'.
n = -0.4285714286

Simplifying
n = -0.4285714286

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