-2n+4n-7=9

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Solution for -2n+4n-7=9 equation: 


Simplifying
-2n + 4n + -7 = 9

Reorder the terms:
-7 + -2n + 4n = 9

Combine like terms: -2n + 4n = 2n
-7 + 2n = 9

Solving
-7 + 2n = 9

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 2n = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 2n = 9 + 7
2n = 9 + 7

Combine like terms: 9 + 7 = 16
2n = 16

Divide each side by '2'.
n = 8

Simplifying
n = 8

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