8n-1=4n-9

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Solution for 8n-1=4n-9 equation:


Simplifying
8n + -1 = 4n + -9

Reorder the terms:
-1 + 8n = 4n + -9

Reorder the terms:
-1 + 8n = -9 + 4n

Solving
-1 + 8n = -9 + 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.
-1 + 8n + -4n = -9 + 4n + -4n

Combine like terms: 8n + -4n = 4n
-1 + 4n = -9 + 4n + -4n

Combine like terms: 4n + -4n = 0
-1 + 4n = -9 + 0
-1 + 4n = -9

Add '1' to each side of the equation.
-1 + 1 + 4n = -9 + 1

Combine like terms: -1 + 1 = 0
0 + 4n = -9 + 1
4n = -9 + 1

Combine like terms: -9 + 1 = -8
4n = -8

Divide each side by '4'.
n = -2

Simplifying
n = -2

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