3n-9+4=100

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Solution for 3n-9+4=100 equation:


Simplifying
3n + -9 + 4 = 100

Reorder the terms:
-9 + 4 + 3n = 100

Combine like terms: -9 + 4 = -5
-5 + 3n = 100

Solving
-5 + 3n = 100

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 3n = 100 + 5

Combine like terms: -5 + 5 = 0
0 + 3n = 100 + 5
3n = 100 + 5

Combine like terms: 100 + 5 = 105
3n = 105

Divide each side by '3'.
n = 35

Simplifying
n = 35

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