7n-7+3n+17=180

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Solution for 7n-7+3n+17=180 equation:


Simplifying
7n + -7 + 3n + 17 = 180

Reorder the terms:
-7 + 17 + 7n + 3n = 180

Combine like terms: -7 + 17 = 10
10 + 7n + 3n = 180

Combine like terms: 7n + 3n = 10n
10 + 10n = 180

Solving
10 + 10n = 180

Solving for variable 'n'.

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

Add '-10' to each side of the equation.
10 + -10 + 10n = 180 + -10

Combine like terms: 10 + -10 = 0
0 + 10n = 180 + -10
10n = 180 + -10

Combine like terms: 180 + -10 = 170
10n = 170

Divide each side by '10'.
n = 17

Simplifying
n = 17

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