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0.3x+0.09x=0.39x
We move all terms to the left:
0.3x+0.09x-(0.39x)=0
We add all the numbers together, and all the variables
0.3x+0.09x-(+0.39x)=0
We add all the numbers together, and all the variables
0.39x-(+0.39x)=0
We get rid of parentheses
0.39x-0.39x=0
We add all the numbers together, and all the variables
=0
x=0/1
x=0
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