2x+x=3+4

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Solution for 2x+x=3+4 equation: 



2x+x=3+4

We move all terms to the left:

2x+x-(3+4)=0

We add all the numbers together, and all the variables

2x+x-7=0

We add all the numbers together, and all the variables

3x-7=0

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

3x=7

x=7/3

x=2+1/3

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