7*n-3.2=8.4

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Solution for 7*n-3.2=8.4 equation: 


Simplifying
7n + -3.2 = 8.4

Reorder the terms:
-3.2 + 7n = 8.4

Solving
-3.2 + 7n = 8.4

Solving for variable 'n'.

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

Add '3.2' to each side of the equation.
-3.2 + 3.2 + 7n = 8.4 + 3.2

Combine like terms: -3.2 + 3.2 = 0.0
0.0 + 7n = 8.4 + 3.2
7n = 8.4 + 3.2

Combine like terms: 8.4 + 3.2 = 11.6
7n = 11.6

Divide each side by '7'.
n = 1.657142857

Simplifying
n = 1.657142857

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