a-4+6a=7a-4

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Solution for a-4+6a=7a-4 equation: 



a-4+6a=7a-4

We move all terms to the left:

a-4+6a-(7a-4)=0

We add all the numbers together, and all the variables

7a-(7a-4)-4=0

We get rid of parentheses

7a-7a+4-4=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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