104=-3(-8-7n)-n

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Solution for 104=-3(-8-7n)-n equation:


Simplifying
104 = -3(-8 + -7n) + -1n
104 = (-8 * -3 + -7n * -3) + -1n
104 = (24 + 21n) + -1n

Combine like terms: 21n + -1n = 20n
104 = 24 + 20n

Solving
104 = 24 + 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
104 + -20n = 24 + 20n + -20n

Combine like terms: 20n + -20n = 0
104 + -20n = 24 + 0
104 + -20n = 24

Add '-104' to each side of the equation.
104 + -104 + -20n = 24 + -104

Combine like terms: 104 + -104 = 0
0 + -20n = 24 + -104
-20n = 24 + -104

Combine like terms: 24 + -104 = -80
-20n = -80

Divide each side by '-20'.
n = 4

Simplifying
n = 4

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