2+21x+25x-2=138

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Solution for 2+21x+25x-2=138 equation: 



2+21x+25x-2=138

We move all terms to the left:

2+21x+25x-2-(138)=0

We add all the numbers together, and all the variables

46x-138=0

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

46x=138

x=138/46

x=3

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