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4x+6.2=18.8
We move all terms to the left:
4x+6.2-(18.8)=0
We add all the numbers together, and all the variables
4x-12.6=0
We move all terms containing x to the left, all other terms to the right
4x=12.6
x=12.6/4
x=3+0.6/4
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