2x-138=102

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Solution for 2x-138=102 equation: 



2x-138=102

We move all terms to the left:

2x-138-(102)=0

We add all the numbers together, and all the variables

2x-240=0

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

2x=240

x=240/2

x=120

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