3x=646+x

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Solution for 3x=646+x equation: 



3x=646+x

We move all terms to the left:

3x-(646+x)=0

We add all the numbers together, and all the variables

3x-(x+646)=0

We get rid of parentheses

3x-x-646=0

We add all the numbers together, and all the variables

2x-646=0

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

2x=646

x=646/2

x=323

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