0.9n-19+n=2n-10-0.4n

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Solution for 0.9n-19+n=2n-10-0.4n equation:


Simplifying
0.9n + -19 + n = 2n + -10 + -0.4n

Reorder the terms:
-19 + 0.9n + n = 2n + -10 + -0.4n

Combine like terms: 0.9n + n = 1.9n
-19 + 1.9n = 2n + -10 + -0.4n

Reorder the terms:
-19 + 1.9n = -10 + 2n + -0.4n

Combine like terms: 2n + -0.4n = 1.6n
-19 + 1.9n = -10 + 1.6n

Solving
-19 + 1.9n = -10 + 1.6n

Solving for variable 'n'.

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

Add '-1.6n' to each side of the equation.
-19 + 1.9n + -1.6n = -10 + 1.6n + -1.6n

Combine like terms: 1.9n + -1.6n = 0.3n
-19 + 0.3n = -10 + 1.6n + -1.6n

Combine like terms: 1.6n + -1.6n = 0.0
-19 + 0.3n = -10 + 0.0
-19 + 0.3n = -10

Add '19' to each side of the equation.
-19 + 19 + 0.3n = -10 + 19

Combine like terms: -19 + 19 = 0
0 + 0.3n = -10 + 19
0.3n = -10 + 19

Combine like terms: -10 + 19 = 9
0.3n = 9

Divide each side by '0.3'.
n = 30

Simplifying
n = 30

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