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5x-0.2+x=11.98
We move all terms to the left:
5x-0.2+x-(11.98)=0
We add all the numbers together, and all the variables
6x-12.18=0
We move all terms containing x to the left, all other terms to the right
6x=12.18
x=12.18/6
x=2+0.18/6
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