3x-115=128

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Solution for 3x-115=128 equation: 


Simplifying
3x + -115 = 128

Reorder the terms:
-115 + 3x = 128

Solving
-115 + 3x = 128

Solving for variable 'x'.

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

Add '115' to each side of the equation.
-115 + 115 + 3x = 128 + 115

Combine like terms: -115 + 115 = 0
0 + 3x = 128 + 115
3x = 128 + 115

Combine like terms: 128 + 115 = 243
3x = 243

Divide each side by '3'.
x = 81

Simplifying
x = 81

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