8.7x+2x-x=30

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Solution for 8.7x+2x-x=30 equation: 



8.7x+2x-x=30

We move all terms to the left:

8.7x+2x-x-(30)=0

We add all the numbers together, and all the variables

9.7x-30=0

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

9.7x=30

x=30/9.7

x=3+0.9/9.7

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