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-x/2.8=4.5
We move all terms to the left:
-x/2.8-(4.5)=0
We add all the numbers together, and all the variables
-x/2.8-4.5=0
We multiply all the terms by the denominator
-x-(4.5)*2.8=0
We add all the numbers together, and all the variables
-1x-12.6=0
We move all terms containing x to the left, all other terms to the right
-x=12.6
x=12.6/-1
x=-12+0.6/1
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