4a-7a=3

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Solution for 4a-7a=3 equation: 



4a-7a=3

We move all terms to the left:

4a-7a-(3)=0

We add all the numbers together, and all the variables

-3a-3=0

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

-3a=3

a=3/-3

a=-1

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