80-3=5n+8

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Solution for 80-3=5n+8 equation:


Simplifying
80 + -3 = 5n + 8

Combine like terms: 80 + -3 = 77
77 = 5n + 8

Reorder the terms:
77 = 8 + 5n

Solving
77 = 8 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
77 + -5n = 8 + 5n + -5n

Combine like terms: 5n + -5n = 0
77 + -5n = 8 + 0
77 + -5n = 8

Add '-77' to each side of the equation.
77 + -77 + -5n = 8 + -77

Combine like terms: 77 + -77 = 0
0 + -5n = 8 + -77
-5n = 8 + -77

Combine like terms: 8 + -77 = -69
-5n = -69

Divide each side by '-5'.
n = 13.8

Simplifying
n = 13.8

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