3n-7+5n=25

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Solution for 3n-7+5n=25 equation: 


Simplifying
3n + -7 + 5n = 25

Reorder the terms:
-7 + 3n + 5n = 25

Combine like terms: 3n + 5n = 8n
-7 + 8n = 25

Solving
-7 + 8n = 25

Solving for variable 'n'.

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

Add '7' to each side of the equation.
-7 + 7 + 8n = 25 + 7

Combine like terms: -7 + 7 = 0
0 + 8n = 25 + 7
8n = 25 + 7

Combine like terms: 25 + 7 = 32
8n = 32

Divide each side by '8'.
n = 4

Simplifying
n = 4

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