0.8*(10-n)=7.2

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Solution for 0.8*(10-n)=7.2 equation: 


Simplifying
0.8(10 + -1n) = 7.2
(10 * 0.8 + -1n * 0.8) = 7.2
(8 + -0.8n) = 7.2

Solving
8 + -0.8n = 7.2

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + -0.8n = 7.2 + -8

Combine like terms: 8 + -8 = 0
0 + -0.8n = 7.2 + -8
-0.8n = 7.2 + -8

Combine like terms: 7.2 + -8 = -0.8
-0.8n = -0.8

Divide each side by '-0.8'.
n = 1

Simplifying
n = 1

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