5a-7=30

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Solution for 5a-7=30 equation: 



5a-7=30

We move all terms to the left:

5a-7-(30)=0

We add all the numbers together, and all the variables

5a-37=0

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

5a=37

a=37/5

a=7+2/5

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