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4.15x=12.45
We move all terms to the left:
4.15x-(12.45)=0
We add all the numbers together, and all the variables
4.15x-12.45=0
We move all terms containing x to the left, all other terms to the right
4.15x=12.45
x=12.45/4.15
x=2+1/1
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