3n-63=42

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Solution for 3n-63=42 equation: 


Simplifying
3n + -63 = 42

Reorder the terms:
-63 + 3n = 42

Solving
-63 + 3n = 42

Solving for variable 'n'.

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

Add '63' to each side of the equation.
-63 + 63 + 3n = 42 + 63

Combine like terms: -63 + 63 = 0
0 + 3n = 42 + 63
3n = 42 + 63

Combine like terms: 42 + 63 = 105
3n = 105

Divide each side by '3'.
n = 35

Simplifying
n = 35

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