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0.45x+6=3x
We move all terms to the left:
0.45x+6-(3x)=0
We add all the numbers together, and all the variables
-2.55x+6=0
We move all terms containing x to the left, all other terms to the right
-2.55x=-6
x=-6/-2.55
x=2+0.9/2.55
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