-7.5n-8.5+8n=-28.5

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Solution for -7.5n-8.5+8n=-28.5 equation: 


Simplifying
-7.5n + -8.5 + 8n = -28.5

Reorder the terms:
-8.5 + -7.5n + 8n = -28.5

Combine like terms: -7.5n + 8n = 0.5n
-8.5 + 0.5n = -28.5

Solving
-8.5 + 0.5n = -28.5

Solving for variable 'n'.

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

Add '8.5' to each side of the equation.
-8.5 + 8.5 + 0.5n = -28.5 + 8.5

Combine like terms: -8.5 + 8.5 = 0.0
0.0 + 0.5n = -28.5 + 8.5
0.5n = -28.5 + 8.5

Combine like terms: -28.5 + 8.5 = -20
0.5n = -20

Divide each side by '0.5'.
n = -40

Simplifying
n = -40

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