3.5x-11.5=20

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Solution for 3.5x-11.5=20 equation: 



3.5x-11.5=20

We move all terms to the left:

3.5x-11.5-(20)=0

We add all the numbers together, and all the variables

3.5x-31.5=0

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

3.5x=31.5

x=31.5/3.5

x=9

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