2.5x-21=-4.5

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Solution for 2.5x-21=-4.5 equation: 



2.5x-21=-4.5

We move all terms to the left:

2.5x-21-(-4.5)=0

We add all the numbers together, and all the variables

2.5x-16.5=0

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

2.5x=16.5

x=16.5/2.5

x=6+1/1.6666666666667

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