x-2.5x=15

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Solution for x-2.5x=15 equation: 



x-2.5x=15

We move all terms to the left:

x-2.5x-(15)=0

We add all the numbers together, and all the variables

-1.5x-15=0

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

-1.5x=15

x=15/-1.5

x=-10

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