2.1(n-1)=16.8

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Solution for 2.1(n-1)=16.8 equation: 


Simplifying
2.1(n + -1) = 16.8

Reorder the terms:
2.1(-1 + n) = 16.8
(-1 * 2.1 + n * 2.1) = 16.8
(-2.1 + 2.1n) = 16.8

Solving
-2.1 + 2.1n = 16.8

Solving for variable 'n'.

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

Add '2.1' to each side of the equation.
-2.1 + 2.1 + 2.1n = 16.8 + 2.1

Combine like terms: -2.1 + 2.1 = 0.0
0.0 + 2.1n = 16.8 + 2.1
2.1n = 16.8 + 2.1

Combine like terms: 16.8 + 2.1 = 18.9
2.1n = 18.9

Divide each side by '2.1'.
n = 9

Simplifying
n = 9

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