4(5n+7)-3n=-5(4-4n)

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Solution for 4(5n+7)-3n=-5(4-4n) equation:


Simplifying
4(5n + 7) + -3n = -5(4 + -4n)

Reorder the terms:
4(7 + 5n) + -3n = -5(4 + -4n)
(7 * 4 + 5n * 4) + -3n = -5(4 + -4n)
(28 + 20n) + -3n = -5(4 + -4n)

Combine like terms: 20n + -3n = 17n
28 + 17n = -5(4 + -4n)
28 + 17n = (4 * -5 + -4n * -5)
28 + 17n = (-20 + 20n)

Solving
28 + 17n = -20 + 20n

Solving for variable 'n'.

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

Add '-20n' to each side of the equation.
28 + 17n + -20n = -20 + 20n + -20n

Combine like terms: 17n + -20n = -3n
28 + -3n = -20 + 20n + -20n

Combine like terms: 20n + -20n = 0
28 + -3n = -20 + 0
28 + -3n = -20

Add '-28' to each side of the equation.
28 + -28 + -3n = -20 + -28

Combine like terms: 28 + -28 = 0
0 + -3n = -20 + -28
-3n = -20 + -28

Combine like terms: -20 + -28 = -48
-3n = -48

Divide each side by '-3'.
n = 16

Simplifying
n = 16

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