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29.99+10x=300
We move all terms to the left:
29.99+10x-(300)=0
We add all the numbers together, and all the variables
10x-270.01=0
We move all terms containing x to the left, all other terms to the right
10x=270.01
x=270.01/10
x=27+0.00999999999999/10
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