30a-3a=3-7a

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Solution for 30a-3a=3-7a equation: 



30a-3a=3-7a

We move all terms to the left:

30a-3a-(3-7a)=0

We add all the numbers together, and all the variables

30a-3a-(-7a+3)=0

We add all the numbers together, and all the variables

27a-(-7a+3)=0

We get rid of parentheses

27a+7a-3=0

We add all the numbers together, and all the variables

34a-3=0

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

34a=3

a=3/34

a=3/34

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