n+(n-3)=180

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Solution for n+(n-3)=180 equation:


Simplifying
n + (n + -3) = 180

Reorder the terms:
n + (-3 + n) = 180

Remove parenthesis around (-3 + n)
n + -3 + n = 180

Reorder the terms:
-3 + n + n = 180

Combine like terms: n + n = 2n
-3 + 2n = 180

Solving
-3 + 2n = 180

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + 2n = 180 + 3

Combine like terms: -3 + 3 = 0
0 + 2n = 180 + 3
2n = 180 + 3

Combine like terms: 180 + 3 = 183
2n = 183

Divide each side by '2'.
n = 91.5

Simplifying
n = 91.5

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