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-1x-0.15x=3.45
We move all terms to the left:
-1x-0.15x-(3.45)=0
We add all the numbers together, and all the variables
-1.15x-3.45=0
We move all terms containing x to the left, all other terms to the right
-1.15x=3.45
x=3.45/-1.15
x=-3+4.4408920985006E-16/1.15
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