3n+4=8n+9

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


Simplifying
3n + 4 = 8n + 9

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

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

Solving
4 + 3n = 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.
4 + 3n + -8n = 9 + 8n + -8n

Combine like terms: 3n + -8n = -5n
4 + -5n = 9 + 8n + -8n

Combine like terms: 8n + -8n = 0
4 + -5n = 9 + 0
4 + -5n = 9

Add '-4' to each side of the equation.
4 + -4 + -5n = 9 + -4

Combine like terms: 4 + -4 = 0
0 + -5n = 9 + -4
-5n = 9 + -4

Combine like terms: 9 + -4 = 5
-5n = 5

Divide each side by '-5'.
n = -1

Simplifying
n = -1

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