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2x+5.3x+4=3
We move all terms to the left:
2x+5.3x+4-(3)=0
We add all the numbers together, and all the variables
7.3x+1=0
We move all terms containing x to the left, all other terms to the right
7.3x=-1
x=-1/7.3
x=-1/7.3
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