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30.50+4.50x=3.50
We move all terms to the left:
30.50+4.50x-(3.50)=0
We add all the numbers together, and all the variables
4.50x+30.50-(3.5)=0
We add all the numbers together, and all the variables
4.50x+27=0
We move all terms containing x to the left, all other terms to the right
4.50x=-27
x=-27/4.50
x=-6
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