2.5x+9=20

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Solution for 2.5x+9=20 equation: 



2.5x+9=20

We move all terms to the left:

2.5x+9-(20)=0

We add all the numbers together, and all the variables

2.5x-11=0

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

2.5x=11

x=11/2.5

x=4+1/2.5

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