2a=20+3

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Solution for 2a=20+3 equation: 



2a=20+3

We move all terms to the left:

2a-(20+3)=0

We add all the numbers together, and all the variables

2a-23=0

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

2a=23

a=23/2

a=11+1/2

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