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30x-21=23.91
We move all terms to the left:
30x-21-(23.91)=0
We add all the numbers together, and all the variables
30x-44.91=0
We move all terms containing x to the left, all other terms to the right
30x=44.91
x=44.91/30
x=1+5.1237113402062/10.309278350515
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