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1.1x+9.9=900
We move all terms to the left:
1.1x+9.9-(900)=0
We add all the numbers together, and all the variables
1.1x-890.1=0
We move all terms containing x to the left, all other terms to the right
1.1x=890.1
x=890.1/1.1
x=809+0.19999999999993/1.1
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