3x+15=138

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Solution for 3x+15=138 equation: 



3x+15=138

We move all terms to the left:

3x+15-(138)=0

We add all the numbers together, and all the variables

3x-123=0

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

3x=123

x=123/3

x=41

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