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.006+0.3O=7.2
We move all terms to the left:
.006+0.3O-(7.2)=0
We add all the numbers together, and all the variables
0.3O-7.194=0
We move all terms containing O to the left, all other terms to the right
0.3O=7.194
O=7.194/0.3
O=23+0.294/0.3
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