3n-9=7-5n

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Solution for 3n-9=7-5n equation:


Simplifying
3n + -9 = 7 + -5n

Reorder the terms:
-9 + 3n = 7 + -5n

Solving
-9 + 3n = 7 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
-9 + 3n + 5n = 7 + -5n + 5n

Combine like terms: 3n + 5n = 8n
-9 + 8n = 7 + -5n + 5n

Combine like terms: -5n + 5n = 0
-9 + 8n = 7 + 0
-9 + 8n = 7

Add '9' to each side of the equation.
-9 + 9 + 8n = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 8n = 7 + 9
8n = 7 + 9

Combine like terms: 7 + 9 = 16
8n = 16

Divide each side by '8'.
n = 2

Simplifying
n = 2

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