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80+3.50x=11.50
We move all terms to the left:
80+3.50x-(11.50)=0
We add all the numbers together, and all the variables
3.50x+80-(11.5)=0
We add all the numbers together, and all the variables
3.50x+68.5=0
We move all terms containing x to the left, all other terms to the right
3.50x=-68.5
x=-68.5/3.50
x=-19+2/3.50
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