(n-4)4.3-2.1=15

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Solution for (n-4)4.3-2.1=15 equation: 


Simplifying
(n + -4) * 4.3 + -2.1 = 15

Reorder the terms:
(-4 + n) * 4.3 + -2.1 = 15

Reorder the terms for easier multiplication:
4.3(-4 + n) + -2.1 = 15
(-4 * 4.3 + n * 4.3) + -2.1 = 15
(-17.2 + 4.3n) + -2.1 = 15

Reorder the terms:
-17.2 + -2.1 + 4.3n = 15

Combine like terms: -17.2 + -2.1 = -19.3
-19.3 + 4.3n = 15

Solving
-19.3 + 4.3n = 15

Solving for variable 'n'.

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

Add '19.3' to each side of the equation.
-19.3 + 19.3 + 4.3n = 15 + 19.3

Combine like terms: -19.3 + 19.3 = 0.0
0.0 + 4.3n = 15 + 19.3
4.3n = 15 + 19.3

Combine like terms: 15 + 19.3 = 34.3
4.3n = 34.3

Divide each side by '4.3'.
n = 7.976744186

Simplifying
n = 7.976744186

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