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

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


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

Combine like terms: 3n + -3n = 0
0 = 4(2 + -5n) + -5(4n + -4)
0 = (2 * 4 + -5n * 4) + -5(4n + -4)
0 = (8 + -20n) + -5(4n + -4)

Reorder the terms:
0 = 8 + -20n + -5(-4 + 4n)
0 = 8 + -20n + (-4 * -5 + 4n * -5)
0 = 8 + -20n + (20 + -20n)

Reorder the terms:
0 = 8 + 20 + -20n + -20n

Combine like terms: 8 + 20 = 28
0 = 28 + -20n + -20n

Combine like terms: -20n + -20n = -40n
0 = 28 + -40n

Solving
0 = 28 + -40n

Solving for variable 'n'.

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

Add '40n' to each side of the equation.
0 + 40n = 28 + -40n + 40n
Remove the zero:
40n = 28 + -40n + 40n

Combine like terms: -40n + 40n = 0
40n = 28 + 0
40n = 28

Divide each side by '40'.
n = 0.7

Simplifying
n = 0.7

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