2.1n-3=0.5n+0.2

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Solution for 2.1n-3=0.5n+0.2 equation:


Simplifying
2.1n + -3 = 0.5n + 0.2

Reorder the terms:
-3 + 2.1n = 0.5n + 0.2

Reorder the terms:
-3 + 2.1n = 0.2 + 0.5n

Solving
-3 + 2.1n = 0.2 + 0.5n

Solving for variable 'n'.

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

Add '-0.5n' to each side of the equation.
-3 + 2.1n + -0.5n = 0.2 + 0.5n + -0.5n

Combine like terms: 2.1n + -0.5n = 1.6n
-3 + 1.6n = 0.2 + 0.5n + -0.5n

Combine like terms: 0.5n + -0.5n = 0.0
-3 + 1.6n = 0.2 + 0.0
-3 + 1.6n = 0.2

Add '3' to each side of the equation.
-3 + 3 + 1.6n = 0.2 + 3

Combine like terms: -3 + 3 = 0
0 + 1.6n = 0.2 + 3
1.6n = 0.2 + 3

Combine like terms: 0.2 + 3 = 3.2
1.6n = 3.2

Divide each side by '1.6'.
n = 2

Simplifying
n = 2

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