45+n+45=180

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Solution for 45+n+45=180 equation: 


Simplifying
45 + n + 45 = 180

Reorder the terms:
45 + 45 + n = 180

Combine like terms: 45 + 45 = 90
90 + n = 180

Solving
90 + n = 180

Solving for variable 'n'.

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

Add '-90' to each side of the equation.
90 + -90 + n = 180 + -90

Combine like terms: 90 + -90 = 0
0 + n = 180 + -90
n = 180 + -90

Combine like terms: 180 + -90 = 90
n = 90

Simplifying
n = 90

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