7n=9n-4

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Solution for 7n=9n-4 equation: 


Simplifying
7n = 9n + -4

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

Solving
7n = -4 + 9n

Solving for variable 'n'.

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

Add '-9n' to each side of the equation.
7n + -9n = -4 + 9n + -9n

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

Combine like terms: 9n + -9n = 0
-2n = -4 + 0
-2n = -4

Divide each side by '-2'.
n = 2

Simplifying
n = 2

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