3+4n=8n-9

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Solution for 3+4n=8n-9 equation:


Simplifying
3 + 4n = 8n + -9

Reorder the terms:
3 + 4n = -9 + 8n

Solving
3 + 4n = -9 + 8n

Solving for variable 'n'.

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

Add '-8n' to each side of the equation.
3 + 4n + -8n = -9 + 8n + -8n

Combine like terms: 4n + -8n = -4n
3 + -4n = -9 + 8n + -8n

Combine like terms: 8n + -8n = 0
3 + -4n = -9 + 0
3 + -4n = -9

Add '-3' to each side of the equation.
3 + -3 + -4n = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -4n = -9 + -3
-4n = -9 + -3

Combine like terms: -9 + -3 = -12
-4n = -12

Divide each side by '-4'.
n = 3

Simplifying
n = 3

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