20=0.80*n

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Solution for 20=0.80*n equation:


Simplifying
20 = 0.80n

Solving
20 = 0.80n

Solving for variable 'n'.

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

Add '-0.80n' to each side of the equation.
20 + -0.80n = 0.80n + -0.80n

Combine like terms: 0.80n + -0.80n = 0.00
20 + -0.80n = 0.00

Add '-20' to each side of the equation.
20 + -20 + -0.80n = 0.00 + -20

Combine like terms: 20 + -20 = 0
0 + -0.80n = 0.00 + -20
-0.80n = 0.00 + -20

Combine like terms: 0.00 + -20 = -20
-0.80n = -20

Divide each side by '-0.80'.
n = 25

Simplifying
n = 25

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