8n+9+12=3

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Solution for 8n+9+12=3 equation:


Simplifying
8n + 9 + 12 = 3

Reorder the terms:
9 + 12 + 8n = 3

Combine like terms: 9 + 12 = 21
21 + 8n = 3

Solving
21 + 8n = 3

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 8n = 3 + -21

Combine like terms: 21 + -21 = 0
0 + 8n = 3 + -21
8n = 3 + -21

Combine like terms: 3 + -21 = -18
8n = -18

Divide each side by '8'.
n = -2.25

Simplifying
n = -2.25

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