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1.25+3x=5.05
We move all terms to the left:
1.25+3x-(5.05)=0
We add all the numbers together, and all the variables
3x-3.8=0
We move all terms containing x to the left, all other terms to the right
3x=3.8
x=3.8/3
x=1+0.8/3
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