3-7n=2n-3(4n-8)

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Solution for 3-7n=2n-3(4n-8) equation:


Simplifying
3 + -7n = 2n + -3(4n + -8)

Reorder the terms:
3 + -7n = 2n + -3(-8 + 4n)
3 + -7n = 2n + (-8 * -3 + 4n * -3)
3 + -7n = 2n + (24 + -12n)

Reorder the terms:
3 + -7n = 24 + 2n + -12n

Combine like terms: 2n + -12n = -10n
3 + -7n = 24 + -10n

Solving
3 + -7n = 24 + -10n

Solving for variable 'n'.

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

Add '10n' to each side of the equation.
3 + -7n + 10n = 24 + -10n + 10n

Combine like terms: -7n + 10n = 3n
3 + 3n = 24 + -10n + 10n

Combine like terms: -10n + 10n = 0
3 + 3n = 24 + 0
3 + 3n = 24

Add '-3' to each side of the equation.
3 + -3 + 3n = 24 + -3

Combine like terms: 3 + -3 = 0
0 + 3n = 24 + -3
3n = 24 + -3

Combine like terms: 24 + -3 = 21
3n = 21

Divide each side by '3'.
n = 7

Simplifying
n = 7

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