4n-20=30

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Solution for 4n-20=30 equation: 


Simplifying
4n + -20 = 30

Reorder the terms:
-20 + 4n = 30

Solving
-20 + 4n = 30

Solving for variable 'n'.

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

Add '20' to each side of the equation.
-20 + 20 + 4n = 30 + 20

Combine like terms: -20 + 20 = 0
0 + 4n = 30 + 20
4n = 30 + 20

Combine like terms: 30 + 20 = 50
4n = 50

Divide each side by '4'.
n = 12.5

Simplifying
n = 12.5

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