4(2a-1)-a-4=-1

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Solution for 4(2a-1)-a-4=-1 equation: 



4(2a-1)-a-4=-1

We move all terms to the left:

4(2a-1)-a-4-(-1)=0

We add all the numbers together, and all the variables

-1a+4(2a-1)-3=0

We multiply parentheses

-1a+8a-4-3=0

We add all the numbers together, and all the variables

7a-7=0

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

7a=7

a=7/7

a=1

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