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19.99+.81x=166.60
We move all terms to the left:
19.99+.81x-(166.60)=0
We add all the numbers together, and all the variables
.81x+19.99-(166.6)=0
We add all the numbers together, and all the variables
.81x-146.61=0
We move all terms containing x to the left, all other terms to the right
.81x=146.61
x=146.61/.81
x=181
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