3n+16+5n+20=90

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Solution for 3n+16+5n+20=90 equation:


Simplifying
3n + 16 + 5n + 20 = 90

Reorder the terms:
16 + 20 + 3n + 5n = 90

Combine like terms: 16 + 20 = 36
36 + 3n + 5n = 90

Combine like terms: 3n + 5n = 8n
36 + 8n = 90

Solving
36 + 8n = 90

Solving for variable 'n'.

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

Add '-36' to each side of the equation.
36 + -36 + 8n = 90 + -36

Combine like terms: 36 + -36 = 0
0 + 8n = 90 + -36
8n = 90 + -36

Combine like terms: 90 + -36 = 54
8n = 54

Divide each side by '8'.
n = 6.75

Simplifying
n = 6.75

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