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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-1a+4a-4=0

We add all the numbers together, and all the variables

3a-4=0

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

3a=4

a=4/3

a=1+1/3

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