2a+18=103

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Solution for 2a+18=103 equation: 



2a+18=103

We move all terms to the left:

2a+18-(103)=0

We add all the numbers together, and all the variables

2a-85=0

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

2a=85

a=85/2

a=42+1/2

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