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2x+.8=10.2
We move all terms to the left:
2x+.8-(10.2)=0
We add all the numbers together, and all the variables
2x-9.4=0
We move all terms containing x to the left, all other terms to the right
2x=9.4
x=9.4/2
x=4+1/1.42857142857
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