(20n+4)-3(5n-4)=

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Solution for (20n+4)-3(5n-4)= equation:


Simplifying
(20n + 4) + -3(5n + -4) = 0

Reorder the terms:
(4 + 20n) + -3(5n + -4) = 0

Remove parenthesis around (4 + 20n)
4 + 20n + -3(5n + -4) = 0

Reorder the terms:
4 + 20n + -3(-4 + 5n) = 0
4 + 20n + (-4 * -3 + 5n * -3) = 0
4 + 20n + (12 + -15n) = 0

Reorder the terms:
4 + 12 + 20n + -15n = 0

Combine like terms: 4 + 12 = 16
16 + 20n + -15n = 0

Combine like terms: 20n + -15n = 5n
16 + 5n = 0

Solving
16 + 5n = 0

Solving for variable 'n'.

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

Add '-16' to each side of the equation.
16 + -16 + 5n = 0 + -16

Combine like terms: 16 + -16 = 0
0 + 5n = 0 + -16
5n = 0 + -16

Combine like terms: 0 + -16 = -16
5n = -16

Divide each side by '5'.
n = -3.2

Simplifying
n = -3.2

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