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243=8n+157
We move all terms to the left:
243-(8n+157)=0
We get rid of parentheses
-8n-157+243=0
We add all the numbers together, and all the variables
-8n+86=0
We move all terms containing n to the left, all other terms to the right
-8n=-86
n=-86/-8
n=10+3/4
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