-9+3X=81

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Solution for -9+3X=81 equation: 


Simplifying
-9 + 3X = 81

Solving
-9 + 3X = 81

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + 3X = 81 + 9

Combine like terms: -9 + 9 = 0
0 + 3X = 81 + 9
3X = 81 + 9

Combine like terms: 81 + 9 = 90
3X = 90

Divide each side by '3'.
X = 30

Simplifying
X = 30

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