7x-4=3+9x

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Solution for 7x-4=3+9x equation: 



7x-4=3+9x

We move all terms to the left:

7x-4-(3+9x)=0

We add all the numbers together, and all the variables

7x-(9x+3)-4=0

We get rid of parentheses

7x-9x-3-4=0

We add all the numbers together, and all the variables

-2x-7=0

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

-2x=7

x=7/-2

x=-3+1/2

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