8.5n-7.5n+7.8=3.5+9.7

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Solution for 8.5n-7.5n+7.8=3.5+9.7 equation: 


Simplifying
8.5n + -7.5n + 7.8 = 3.5 + 9.7

Reorder the terms:
7.8 + 8.5n + -7.5n = 3.5 + 9.7

Combine like terms: 8.5n + -7.5n = 1n
7.8 + 1n = 3.5 + 9.7

Combine like terms: 3.5 + 9.7 = 13.2
7.8 + 1n = 13.2

Solving
7.8 + 1n = 13.2

Solving for variable 'n'.

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

Add '-7.8' to each side of the equation.
7.8 + -7.8 + 1n = 13.2 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + 1n = 13.2 + -7.8
1n = 13.2 + -7.8

Combine like terms: 13.2 + -7.8 = 5.4
1n = 5.4

Divide each side by '1'.
n = 5.4

Simplifying
n = 5.4

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