.75n-18=.20n-4

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Solution for .75n-18=.20n-4 equation:


Simplifying
0.75n + -18 = 0.20n + -4

Reorder the terms:
-18 + 0.75n = 0.20n + -4

Reorder the terms:
-18 + 0.75n = -4 + 0.20n

Solving
-18 + 0.75n = -4 + 0.20n

Solving for variable 'n'.

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

Add '-0.20n' to each side of the equation.
-18 + 0.75n + -0.20n = -4 + 0.20n + -0.20n

Combine like terms: 0.75n + -0.20n = 0.55n
-18 + 0.55n = -4 + 0.20n + -0.20n

Combine like terms: 0.20n + -0.20n = 0.00
-18 + 0.55n = -4 + 0.00
-18 + 0.55n = -4

Add '18' to each side of the equation.
-18 + 18 + 0.55n = -4 + 18

Combine like terms: -18 + 18 = 0
0 + 0.55n = -4 + 18
0.55n = -4 + 18

Combine like terms: -4 + 18 = 14
0.55n = 14

Divide each side by '0.55'.
n = 25.45454545

Simplifying
n = 25.45454545

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