9=4n-4+7n-1

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Solution for 9=4n-4+7n-1 equation:


Simplifying
9 = 4n + -4 + 7n + -1

Reorder the terms:
9 = -4 + -1 + 4n + 7n

Combine like terms: -4 + -1 = -5
9 = -5 + 4n + 7n

Combine like terms: 4n + 7n = 11n
9 = -5 + 11n

Solving
9 = -5 + 11n

Solving for variable 'n'.

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

Add '-11n' to each side of the equation.
9 + -11n = -5 + 11n + -11n

Combine like terms: 11n + -11n = 0
9 + -11n = -5 + 0
9 + -11n = -5

Add '-9' to each side of the equation.
9 + -9 + -11n = -5 + -9

Combine like terms: 9 + -9 = 0
0 + -11n = -5 + -9
-11n = -5 + -9

Combine like terms: -5 + -9 = -14
-11n = -14

Divide each side by '-11'.
n = 1.272727273

Simplifying
n = 1.272727273

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