-1+3a=7a+4

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Solution for -1+3a=7a+4 equation: 



-1+3a=7a+4

We move all terms to the left:

-1+3a-(7a+4)=0

We get rid of parentheses

3a-7a-4-1=0

We add all the numbers together, and all the variables

-4a-5=0

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

-4a=5

a=5/-4

a=-1+1/4

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