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x+4.7=8.1x
We move all terms to the left:
x+4.7-(8.1x)=0
We add all the numbers together, and all the variables
x-(+8.1x)+4.7=0
We get rid of parentheses
x-8.1x+4.7=0
We add all the numbers together, and all the variables
-7.1x+4.7=0
We move all terms containing x to the left, all other terms to the right
-7.1x=-4.7
x=-4.7/-7.1
x=2.7647058823529/4.1764705882353
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