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1.2+0.3x=4.8
We move all terms to the left:
1.2+0.3x-(4.8)=0
We add all the numbers together, and all the variables
0.3x-3.6=0
We move all terms containing x to the left, all other terms to the right
0.3x=3.6
x=3.6/0.3
x=12+4.4408920985E-16/0.3
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