7a+1=99

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Solution for 7a+1=99 equation: 



7a+1=99

We move all terms to the left:

7a+1-(99)=0

We add all the numbers together, and all the variables

7a-98=0

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

7a=98

a=98/7

a=14

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