3n+20+5n+40=

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Solution for 3n+20+5n+40= equation:


Simplifying
3n + 20 + 5n + 40 = 0

Reorder the terms:
20 + 40 + 3n + 5n = 0

Combine like terms: 20 + 40 = 60
60 + 3n + 5n = 0

Combine like terms: 3n + 5n = 8n
60 + 8n = 0

Solving
60 + 8n = 0

Solving for variable 'n'.

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

Add '-60' to each side of the equation.
60 + -60 + 8n = 0 + -60

Combine like terms: 60 + -60 = 0
0 + 8n = 0 + -60
8n = 0 + -60

Combine like terms: 0 + -60 = -60
8n = -60

Divide each side by '8'.
n = -7.5

Simplifying
n = -7.5

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