O.25a+0.5=4.5

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Solution for O.25a+0.5=4.5 equation: 



.25O+0.5=4.5

We move all terms to the left:

.25O+0.5-(4.5)=0

We add all the numbers together, and all the variables

.25O-4=0

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

.25O=4

O=4/.25

O=16

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