3x-243=0

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Solution for 3x-243=0 equation: 


Simplifying
3x + -243 = 0

Reorder the terms:
-243 + 3x = 0

Solving
-243 + 3x = 0

Solving for variable 'x'.

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

Add '243' to each side of the equation.
-243 + 243 + 3x = 0 + 243

Combine like terms: -243 + 243 = 0
0 + 3x = 0 + 243
3x = 0 + 243

Combine like terms: 0 + 243 = 243
3x = 243

Divide each side by '3'.
x = 81

Simplifying
x = 81

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