8x-9=3.5x

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Solution for 8x-9=3.5x equation: 



8x-9=3.5x

We move all terms to the left:

8x-9-(3.5x)=0

We add all the numbers together, and all the variables

8x-(+3.5x)-9=0

We get rid of parentheses

8x-3.5x-9=0

We add all the numbers together, and all the variables

4.5x-9=0

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

4.5x=9

x=9/4.5

x=2

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