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30x-12.000=9.800
We move all terms to the left:
30x-12.000-(9.800)=0
We add all the numbers together, and all the variables
30x-12.000-(9.8)=0
We add all the numbers together, and all the variables
30x-21.8=0
We move all terms containing x to the left, all other terms to the right
30x=21.8
x=21.8/30
x=5.7368421052632/7.8947368421053
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