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.66(.15)+.33(.3)=x
We move all terms to the left:
.66(.15)+.33(.3)-(x)=0
We add all the numbers together, and all the variables
-x+.66(0.15)+.33(0.3)=0
We add all the numbers together, and all the variables
-1x+0.198=0
We move all terms containing x to the left, all other terms to the right
-x=-0.198
x=-0.198/-1
x=0.198/1
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