3x-x-7=4

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Solution for 3x-x-7=4 equation: 



3x-x-7=4

We move all terms to the left:

3x-x-7-(4)=0

We add all the numbers together, and all the variables

2x-11=0

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

2x=11

x=11/2

x=5+1/2

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