9n-18=45

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Solution for 9n-18=45 equation: 


Simplifying
9n + -18 = 45

Reorder the terms:
-18 + 9n = 45

Solving
-18 + 9n = 45

Solving for variable 'n'.

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

Add '18' to each side of the equation.
-18 + 18 + 9n = 45 + 18

Combine like terms: -18 + 18 = 0
0 + 9n = 45 + 18
9n = 45 + 18

Combine like terms: 45 + 18 = 63
9n = 63

Divide each side by '9'.
n = 7

Simplifying
n = 7

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