(3n-47)+(n+7)=180

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Solution for (3n-47)+(n+7)=180 equation:


Simplifying
(3n + -47) + (n + 7) = 180

Reorder the terms:
(-47 + 3n) + (n + 7) = 180

Remove parenthesis around (-47 + 3n)
-47 + 3n + (n + 7) = 180

Reorder the terms:
-47 + 3n + (7 + n) = 180

Remove parenthesis around (7 + n)
-47 + 3n + 7 + n = 180

Reorder the terms:
-47 + 7 + 3n + n = 180

Combine like terms: -47 + 7 = -40
-40 + 3n + n = 180

Combine like terms: 3n + n = 4n
-40 + 4n = 180

Solving
-40 + 4n = 180

Solving for variable 'n'.

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

Add '40' to each side of the equation.
-40 + 40 + 4n = 180 + 40

Combine like terms: -40 + 40 = 0
0 + 4n = 180 + 40
4n = 180 + 40

Combine like terms: 180 + 40 = 220
4n = 220

Divide each side by '4'.
n = 55

Simplifying
n = 55

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