1.8(2-n)=9

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Solution for 1.8(2-n)=9 equation: 


Simplifying
1.8(2 + -1n) = 9
(2 * 1.8 + -1n * 1.8) = 9
(3.6 + -1.8n) = 9

Solving
3.6 + -1.8n = 9

Solving for variable 'n'.

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

Add '-3.6' to each side of the equation.
3.6 + -3.6 + -1.8n = 9 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + -1.8n = 9 + -3.6
-1.8n = 9 + -3.6

Combine like terms: 9 + -3.6 = 5.4
-1.8n = 5.4

Divide each side by '-1.8'.
n = -3

Simplifying
n = -3

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