-13n+80=(2-4n)-9

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Solution for -13n+80=(2-4n)-9 equation:


Simplifying
-13n + 80 = (2 + -4n) + -9

Reorder the terms:
80 + -13n = (2 + -4n) + -9

Remove parenthesis around (2 + -4n)
80 + -13n = 2 + -4n + -9

Reorder the terms:
80 + -13n = 2 + -9 + -4n

Combine like terms: 2 + -9 = -7
80 + -13n = -7 + -4n

Solving
80 + -13n = -7 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
80 + -13n + 4n = -7 + -4n + 4n

Combine like terms: -13n + 4n = -9n
80 + -9n = -7 + -4n + 4n

Combine like terms: -4n + 4n = 0
80 + -9n = -7 + 0
80 + -9n = -7

Add '-80' to each side of the equation.
80 + -80 + -9n = -7 + -80

Combine like terms: 80 + -80 = 0
0 + -9n = -7 + -80
-9n = -7 + -80

Combine like terms: -7 + -80 = -87
-9n = -87

Divide each side by '-9'.
n = 9.666666667

Simplifying
n = 9.666666667

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