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0.4x-2=4.5
We move all terms to the left:
0.4x-2-(4.5)=0
We add all the numbers together, and all the variables
0.4x-6.5=0
We move all terms containing x to the left, all other terms to the right
0.4x=6.5
x=6.5/0.4
x=16+0.1/0.4
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