19=9-4n

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Solution for 19=9-4n equation:


Simplifying
19 = 9 + -4n

Solving
19 = 9 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
19 + 4n = 9 + -4n + 4n

Combine like terms: -4n + 4n = 0
19 + 4n = 9 + 0
19 + 4n = 9

Add '-19' to each side of the equation.
19 + -19 + 4n = 9 + -19

Combine like terms: 19 + -19 = 0
0 + 4n = 9 + -19
4n = 9 + -19

Combine like terms: 9 + -19 = -10
4n = -10

Divide each side by '4'.
n = -2.5

Simplifying
n = -2.5

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