3x+6+x=138

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Solution for 3x+6+x=138 equation: 



3x+6+x=138

We move all terms to the left:

3x+6+x-(138)=0

We add all the numbers together, and all the variables

4x-132=0

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

4x=132

x=132/4

x=33

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