7x-x=40

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Solution for 7x-x=40 equation: 



7x-x=40

We move all terms to the left:

7x-x-(40)=0

We add all the numbers together, and all the variables

6x-40=0

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

6x=40

x=40/6

x=6+2/3

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