8n+9=4n-5

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Solution for 8n+9=4n-5 equation:


Simplifying
8n + 9 = 4n + -5

Reorder the terms:
9 + 8n = 4n + -5

Reorder the terms:
9 + 8n = -5 + 4n

Solving
9 + 8n = -5 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
9 + 8n + -4n = -5 + 4n + -4n

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

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

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

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

Combine like terms: -5 + -9 = -14
4n = -14

Divide each side by '4'.
n = -3.5

Simplifying
n = -3.5

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