O.5x+2.5x-7=20

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Solution for O.5x+2.5x-7=20 equation:



.5O+2.5O-7=20
We move all terms to the left:
.5O+2.5O-7-(20)=0
We add all the numbers together, and all the variables
3O-27=0
We move all terms containing O to the left, all other terms to the right
3O=27
O=27/3
O=9

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