3n+5n=2(n-20)

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Solution for 3n+5n=2(n-20) equation:


Simplifying
3n + 5n = 2(n + -20)

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

Reorder the terms:
8n = 2(-20 + n)
8n = (-20 * 2 + n * 2)
8n = (-40 + 2n)

Solving
8n = -40 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
8n + -2n = -40 + 2n + -2n

Combine like terms: 8n + -2n = 6n
6n = -40 + 2n + -2n

Combine like terms: 2n + -2n = 0
6n = -40 + 0
6n = -40

Divide each side by '6'.
n = -6.666666667

Simplifying
n = -6.666666667

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