0.3(n-5)=0.4

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Solution for 0.3(n-5)=0.4 equation: 


Simplifying
0.3(n + -5) = 0.4

Reorder the terms:
0.3(-5 + n) = 0.4
(-5 * 0.3 + n * 0.3) = 0.4
(-1.5 + 0.3n) = 0.4

Solving
-1.5 + 0.3n = 0.4

Solving for variable 'n'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + 0.3n = 0.4 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 0.3n = 0.4 + 1.5
0.3n = 0.4 + 1.5

Combine like terms: 0.4 + 1.5 = 1.9
0.3n = 1.9

Divide each side by '0.3'.
n = 6.333333333

Simplifying
n = 6.333333333

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