4n-1=90

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Solution for 4n-1=90 equation: 


Simplifying
4n + -1 = 90

Reorder the terms:
-1 + 4n = 90

Solving
-1 + 4n = 90

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 4n = 90 + 1

Combine like terms: -1 + 1 = 0
0 + 4n = 90 + 1
4n = 90 + 1

Combine like terms: 90 + 1 = 91
4n = 91

Divide each side by '4'.
n = 22.75

Simplifying
n = 22.75

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