2a-20.9+a-2.5+a+1.1+19.5=360

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Solution for 2a-20.9+a-2.5+a+1.1+19.5=360 equation: 



2a-20.9+a-2.5+a+1.1+19.5=360

We move all terms to the left:

2a-20.9+a-2.5+a+1.1+19.5-(360)=0

We add all the numbers together, and all the variables

4a-362.8=0

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

4a=362.8

a=362.8/4

a=90+1/1.4285714285714

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