21n-48=120

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Solution for 21n-48=120 equation: 


Simplifying
21n + -48 = 120

Reorder the terms:
-48 + 21n = 120

Solving
-48 + 21n = 120

Solving for variable 'n'.

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

Add '48' to each side of the equation.
-48 + 48 + 21n = 120 + 48

Combine like terms: -48 + 48 = 0
0 + 21n = 120 + 48
21n = 120 + 48

Combine like terms: 120 + 48 = 168
21n = 168

Divide each side by '21'.
n = 8

Simplifying
n = 8

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