3x-7x=13

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Solution for 3x-7x=13 equation: 



3x-7x=13

We move all terms to the left:

3x-7x-(13)=0

We add all the numbers together, and all the variables

-4x-13=0

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

-4x=13

x=13/-4

x=-3+1/4

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