2.5+4.5x=20.5

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Solution for 2.5+4.5x=20.5 equation: 



2.5+4.5x=20.5

We move all terms to the left:

2.5+4.5x-(20.5)=0

We add all the numbers together, and all the variables

4.5x-18=0

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

4.5x=18

x=18/4.5

x=4

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