7n+6n=4n-9

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Solution for 7n+6n=4n-9 equation:


Simplifying
7n + 6n = 4n + -9

Combine like terms: 7n + 6n = 13n
13n = 4n + -9

Reorder the terms:
13n = -9 + 4n

Solving
13n = -9 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
13n + -4n = -9 + 4n + -4n

Combine like terms: 13n + -4n = 9n
9n = -9 + 4n + -4n

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

Divide each side by '9'.
n = -1

Simplifying
n = -1

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