-(7-4n)=9

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Solution for -(7-4n)=9 equation: 


Simplifying
-1(7 + -4n) = 9
(7 * -1 + -4n * -1) = 9
(-7 + 4n) = 9

Solving
-7 + 4n = 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 + 4n = 9 + 7

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

Combine like terms: 9 + 7 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

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