3x-4x-7=8

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Solution for 3x-4x-7=8 equation: 



3x-4x-7=8

We move all terms to the left:

3x-4x-7-(8)=0

We add all the numbers together, and all the variables

-1x-15=0

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

-x=15

x=15/-1

x=-15

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