7x-4x=8

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Solution for 7x-4x=8 equation: 



7x-4x=8

We move all terms to the left:

7x-4x-(8)=0

We add all the numbers together, and all the variables

3x-8=0

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

3x=8

x=8/3

x=2+2/3

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