3n+4=5n-8

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Solution for 3n+4=5n-8 equation:


Simplifying
3n + 4 = 5n + -8

Reorder the terms:
4 + 3n = 5n + -8

Reorder the terms:
4 + 3n = -8 + 5n

Solving
4 + 3n = -8 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
4 + 3n + -5n = -8 + 5n + -5n

Combine like terms: 3n + -5n = -2n
4 + -2n = -8 + 5n + -5n

Combine like terms: 5n + -5n = 0
4 + -2n = -8 + 0
4 + -2n = -8

Add '-4' to each side of the equation.
4 + -4 + -2n = -8 + -4

Combine like terms: 4 + -4 = 0
0 + -2n = -8 + -4
-2n = -8 + -4

Combine like terms: -8 + -4 = -12
-2n = -12

Divide each side by '-2'.
n = 6

Simplifying
n = 6

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