2-5(a-1)=9=a

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Solution for 2-5(a-1)=9=a equation: 



2-5(a-1)=9=a

We move all terms to the left:

2-5(a-1)-(9)=0

We add all the numbers together, and all the variables

-5(a-1)-7=0

We multiply parentheses

-5a+5-7=0

We add all the numbers together, and all the variables

-5a-2=0

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

-5a=2

a=2/-5

a=-2/5

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