9=3.5x

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Solution for 9=3.5x equation: 



9=3.5x

We move all terms to the left:

9-(3.5x)=0

We add all the numbers together, and all the variables

-(+3.5x)+9=0

We get rid of parentheses

-3.5x+9=0

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

-3.5x=-9

x=-9/-3.5

x=2+2/3.5

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