7a-3=100

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Solution for 7a-3=100 equation: 



7a-3=100

We move all terms to the left:

7a-3-(100)=0

We add all the numbers together, and all the variables

7a-103=0

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

7a=103

a=103/7

a=14+5/7

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