-45=-4n-9

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Solution for -45=-4n-9 equation:


Simplifying
-45 = -4n + -9

Reorder the terms:
-45 = -9 + -4n

Solving
-45 = -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.
-45 + 4n = -9 + -4n + 4n

Combine like terms: -4n + 4n = 0
-45 + 4n = -9 + 0
-45 + 4n = -9

Add '45' to each side of the equation.
-45 + 45 + 4n = -9 + 45

Combine like terms: -45 + 45 = 0
0 + 4n = -9 + 45
4n = -9 + 45

Combine like terms: -9 + 45 = 36
4n = 36

Divide each side by '4'.
n = 9

Simplifying
n = 9

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