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8.1+2.9x=x+49.3
We move all terms to the left:
8.1+2.9x-(x+49.3)=0
We get rid of parentheses
2.9x-x-49.3+8.1=0
We add all the numbers together, and all the variables
1.9x-41.2=0
We move all terms containing x to the left, all other terms to the right
1.9x=41.2
x=41.2/1.9
x=21+1/1.46153846154
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