7n-3=(n-9)

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Solution for 7n-3=(n-9) equation:


Simplifying
7n + -3 = (n + -9)

Reorder the terms:
-3 + 7n = (n + -9)

Reorder the terms:
-3 + 7n = (-9 + n)

Remove parenthesis around (-9 + n)
-3 + 7n = -9 + n

Solving
-3 + 7n = -9 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-3 + 7n + -1n = -9 + n + -1n

Combine like terms: 7n + -1n = 6n
-3 + 6n = -9 + n + -1n

Combine like terms: n + -1n = 0
-3 + 6n = -9 + 0
-3 + 6n = -9

Add '3' to each side of the equation.
-3 + 3 + 6n = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 6n = -9 + 3
6n = -9 + 3

Combine like terms: -9 + 3 = -6
6n = -6

Divide each side by '6'.
n = -1

Simplifying
n = -1

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