3x-45=123

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Solution for 3x-45=123 equation: 



3x-45=123

We move all terms to the left:

3x-45-(123)=0

We add all the numbers together, and all the variables

3x-168=0

We move all terms containing x to the left, all other terms to the right

3x=168

x=168/3

x=56

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