19=0.40*n

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Solution for 19=0.40*n equation:


Simplifying
19 = 0.40n

Solving
19 = 0.40n

Solving for variable 'n'.

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

Add '-0.40n' to each side of the equation.
19 + -0.40n = 0.40n + -0.40n

Combine like terms: 0.40n + -0.40n = 0.00
19 + -0.40n = 0.00

Add '-19' to each side of the equation.
19 + -19 + -0.40n = 0.00 + -19

Combine like terms: 19 + -19 = 0
0 + -0.40n = 0.00 + -19
-0.40n = 0.00 + -19

Combine like terms: 0.00 + -19 = -19
-0.40n = -19

Divide each side by '-0.40'.
n = 47.5

Simplifying
n = 47.5

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