84=-5(3n+4)+2n

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Solution for 84=-5(3n+4)+2n equation:


Simplifying
84 = -5(3n + 4) + 2n

Reorder the terms:
84 = -5(4 + 3n) + 2n
84 = (4 * -5 + 3n * -5) + 2n
84 = (-20 + -15n) + 2n

Combine like terms: -15n + 2n = -13n
84 = -20 + -13n

Solving
84 = -20 + -13n

Solving for variable 'n'.

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

Add '13n' to each side of the equation.
84 + 13n = -20 + -13n + 13n

Combine like terms: -13n + 13n = 0
84 + 13n = -20 + 0
84 + 13n = -20

Add '-84' to each side of the equation.
84 + -84 + 13n = -20 + -84

Combine like terms: 84 + -84 = 0
0 + 13n = -20 + -84
13n = -20 + -84

Combine like terms: -20 + -84 = -104
13n = -104

Divide each side by '13'.
n = -8

Simplifying
n = -8

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