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

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


Simplifying
-84 = -4(3 + -4n) + 2n
-84 = (3 * -4 + -4n * -4) + 2n
-84 = (-12 + 16n) + 2n

Combine like terms: 16n + 2n = 18n
-84 = -12 + 18n

Solving
-84 = -12 + 18n

Solving for variable 'n'.

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

Add '-18n' to each side of the equation.
-84 + -18n = -12 + 18n + -18n

Combine like terms: 18n + -18n = 0
-84 + -18n = -12 + 0
-84 + -18n = -12

Add '84' to each side of the equation.
-84 + 84 + -18n = -12 + 84

Combine like terms: -84 + 84 = 0
0 + -18n = -12 + 84
-18n = -12 + 84

Combine like terms: -12 + 84 = 72
-18n = 72

Divide each side by '-18'.
n = -4

Simplifying
n = -4

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