2n+6=7n-9

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Solution for 2n+6=7n-9 equation:


Simplifying
2n + 6 = 7n + -9

Reorder the terms:
6 + 2n = 7n + -9

Reorder the terms:
6 + 2n = -9 + 7n

Solving
6 + 2n = -9 + 7n

Solving for variable 'n'.

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

Add '-7n' to each side of the equation.
6 + 2n + -7n = -9 + 7n + -7n

Combine like terms: 2n + -7n = -5n
6 + -5n = -9 + 7n + -7n

Combine like terms: 7n + -7n = 0
6 + -5n = -9 + 0
6 + -5n = -9

Add '-6' to each side of the equation.
6 + -6 + -5n = -9 + -6

Combine like terms: 6 + -6 = 0
0 + -5n = -9 + -6
-5n = -9 + -6

Combine like terms: -9 + -6 = -15
-5n = -15

Divide each side by '-5'.
n = 3

Simplifying
n = 3

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