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p+.4p=43.9
We move all terms to the left:
p+.4p-(43.9)=0
We add all the numbers together, and all the variables
1.4p-43.9=0
We move all terms containing p to the left, all other terms to the right
1.4p=43.9
p=43.9/1.4
p=31+0.5/1.4
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