80=7(n-8)-4(4-3n)

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Solution for 80=7(n-8)-4(4-3n) equation:


Simplifying
80 = 7(n + -8) + -4(4 + -3n)

Reorder the terms:
80 = 7(-8 + n) + -4(4 + -3n)
80 = (-8 * 7 + n * 7) + -4(4 + -3n)
80 = (-56 + 7n) + -4(4 + -3n)
80 = -56 + 7n + (4 * -4 + -3n * -4)
80 = -56 + 7n + (-16 + 12n)

Reorder the terms:
80 = -56 + -16 + 7n + 12n

Combine like terms: -56 + -16 = -72
80 = -72 + 7n + 12n

Combine like terms: 7n + 12n = 19n
80 = -72 + 19n

Solving
80 = -72 + 19n

Solving for variable 'n'.

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

Add '-19n' to each side of the equation.
80 + -19n = -72 + 19n + -19n

Combine like terms: 19n + -19n = 0
80 + -19n = -72 + 0
80 + -19n = -72

Add '-80' to each side of the equation.
80 + -80 + -19n = -72 + -80

Combine like terms: 80 + -80 = 0
0 + -19n = -72 + -80
-19n = -72 + -80

Combine like terms: -72 + -80 = -152
-19n = -152

Divide each side by '-19'.
n = 8

Simplifying
n = 8

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