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4+2.5x=4.50
We move all terms to the left:
4+2.5x-(4.50)=0
We add all the numbers together, and all the variables
2.5x+4-(4.5)=0
We add all the numbers together, and all the variables
2.5x-0.5=0
We move all terms containing x to the left, all other terms to the right
2.5x=0.5
x=0.5/2.5
x=0.5/2.5
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