1.8(n-4)=9

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Solution for 1.8(n-4)=9 equation:


Simplifying
1.8(n + -4) = 9

Reorder the terms:
1.8(-4 + n) = 9
(-4 * 1.8 + n * 1.8) = 9
(-7.2 + 1.8n) = 9

Solving
-7.2 + 1.8n = 9

Solving for variable 'n'.

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

Add '7.2' to each side of the equation.
-7.2 + 7.2 + 1.8n = 9 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + 1.8n = 9 + 7.2
1.8n = 9 + 7.2

Combine like terms: 9 + 7.2 = 16.2
1.8n = 16.2

Divide each side by '1.8'.
n = 9

Simplifying
n = 9

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