x+x+1=215

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Solution for x+x+1=215 equation: 



x+x+1=215

We move all terms to the left:

x+x+1-(215)=0

We add all the numbers together, and all the variables

2x-214=0

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

2x=214

x=214/2

x=107

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