7n-9=2n+16

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Solution for 7n-9=2n+16 equation:


Simplifying
7n + -9 = 2n + 16

Reorder the terms:
-9 + 7n = 2n + 16

Reorder the terms:
-9 + 7n = 16 + 2n

Solving
-9 + 7n = 16 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-9 + 7n + -2n = 16 + 2n + -2n

Combine like terms: 7n + -2n = 5n
-9 + 5n = 16 + 2n + -2n

Combine like terms: 2n + -2n = 0
-9 + 5n = 16 + 0
-9 + 5n = 16

Add '9' to each side of the equation.
-9 + 9 + 5n = 16 + 9

Combine like terms: -9 + 9 = 0
0 + 5n = 16 + 9
5n = 16 + 9

Combine like terms: 16 + 9 = 25
5n = 25

Divide each side by '5'.
n = 5

Simplifying
n = 5

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