0.75(7-n)=12

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Solution for 0.75(7-n)=12 equation: 


Simplifying
0.75(7 + -1n) = 12
(7 * 0.75 + -1n * 0.75) = 12
(5.25 + -0.75n) = 12

Solving
5.25 + -0.75n = 12

Solving for variable 'n'.

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

Add '-5.25' to each side of the equation.
5.25 + -5.25 + -0.75n = 12 + -5.25

Combine like terms: 5.25 + -5.25 = 0.00
0.00 + -0.75n = 12 + -5.25
-0.75n = 12 + -5.25

Combine like terms: 12 + -5.25 = 6.75
-0.75n = 6.75

Divide each side by '-0.75'.
n = -9

Simplifying
n = -9

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