(3n-4)*-3=84

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Solution for (3n-4)*-3=84 equation:


Simplifying
(3n + -4) * -3 = 84

Reorder the terms:
(-4 + 3n) * -3 = 84

Reorder the terms for easier multiplication:
-3(-4 + 3n) = 84
(-4 * -3 + 3n * -3) = 84
(12 + -9n) = 84

Solving
12 + -9n = 84

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + -9n = 84 + -12

Combine like terms: 12 + -12 = 0
0 + -9n = 84 + -12
-9n = 84 + -12

Combine like terms: 84 + -12 = 72
-9n = 72

Divide each side by '-9'.
n = -8

Simplifying
n = -8

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