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6.2x-8.1x+7.1=8.3+9.1
We move all terms to the left:
6.2x-8.1x+7.1-(8.3+9.1)=0
We add all the numbers together, and all the variables
6.2x-8.1x+7.1-(17.4)=0
We add all the numbers together, and all the variables
-1.9x-10.3=0
We move all terms containing x to the left, all other terms to the right
-1.9x=10.3
x=10.3/-1.9
x=-5+0.8/1.9
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