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-3.45+.5p=-1.2
We move all terms to the left:
-3.45+.5p-(-1.2)=0
We add all the numbers together, and all the variables
.5p-2.25=0
We move all terms containing p to the left, all other terms to the right
.5p=2.25
p=2.25/.5
p=4+0.25/.5
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