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15.8+2p=17.8p-18.5+18.5p
We move all terms to the left:
15.8+2p-(17.8p-18.5+18.5p)=0
We add all the numbers together, and all the variables
2p-(36.3p-18.5)+15.8=0
We get rid of parentheses
2p-36.3p+18.5+15.8=0
We add all the numbers together, and all the variables
-34.3p+34.3=0
We move all terms containing p to the left, all other terms to the right
-34.3p=-34.3
p=-34.3/-34.3
p=1
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