3x-4=123

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Solution for 3x-4=123 equation: 


Simplifying
3x + -4 = 123

Reorder the terms:
-4 + 3x = 123

Solving
-4 + 3x = 123

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 3x = 123 + 4

Combine like terms: -4 + 4 = 0
0 + 3x = 123 + 4
3x = 123 + 4

Combine like terms: 123 + 4 = 127
3x = 127

Divide each side by '3'.
x = 42.33333333

Simplifying
x = 42.33333333

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