7.5+x=4.5=4x

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Solution for 7.5+x=4.5=4x equation: 



7.5+x=4.5=4x

We move all terms to the left:

7.5+x-(4.5)=0

We add all the numbers together, and all the variables

x+3=0

We move all terms containing x to the left, all other terms to the right

x=-3

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