75.25=20+4.25n

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Solution for 75.25=20+4.25n equation:


Simplifying
75.25 = 20 + 4.25n

Solving
75.25 = 20 + 4.25n

Solving for variable 'n'.

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

Add '-4.25n' to each side of the equation.
75.25 + -4.25n = 20 + 4.25n + -4.25n

Combine like terms: 4.25n + -4.25n = 0.00
75.25 + -4.25n = 20 + 0.00
75.25 + -4.25n = 20

Add '-75.25' to each side of the equation.
75.25 + -75.25 + -4.25n = 20 + -75.25

Combine like terms: 75.25 + -75.25 = 0.00
0.00 + -4.25n = 20 + -75.25
-4.25n = 20 + -75.25

Combine like terms: 20 + -75.25 = -55.25
-4.25n = -55.25

Divide each side by '-4.25'.
n = 13

Simplifying
n = 13

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