9n-45=n+3

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Solution for 9n-45=n+3 equation:


Simplifying
9n + -45 = n + 3

Reorder the terms:
-45 + 9n = n + 3

Reorder the terms:
-45 + 9n = 3 + n

Solving
-45 + 9n = 3 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-45 + 9n + -1n = 3 + n + -1n

Combine like terms: 9n + -1n = 8n
-45 + 8n = 3 + n + -1n

Combine like terms: n + -1n = 0
-45 + 8n = 3 + 0
-45 + 8n = 3

Add '45' to each side of the equation.
-45 + 45 + 8n = 3 + 45

Combine like terms: -45 + 45 = 0
0 + 8n = 3 + 45
8n = 3 + 45

Combine like terms: 3 + 45 = 48
8n = 48

Divide each side by '8'.
n = 6

Simplifying
n = 6

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