2a+5=72

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Solution for 2a+5=72 equation: 



2a+5=72

We move all terms to the left:

2a+5-(72)=0

We add all the numbers together, and all the variables

2a-67=0

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

2a=67

a=67/2

a=33+1/2

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