2(5a-1)=20(-a+2)

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Solution for 2(5a-1)=20(-a+2) equation: 



2(5a-1)=20(-a+2)

We move all terms to the left:

2(5a-1)-(20(-a+2))=0

We add all the numbers together, and all the variables

2(5a-1)-(20(-1a+2))=0

We multiply parentheses

10a-(20(-1a+2))-2=0



We calculate terms in parentheses: -(20(-1a+2)), so:

20(-1a+2)

We multiply parentheses

-20a+40

Back to the equation:

-(-20a+40)



We get rid of parentheses

10a+20a-40-2=0

We add all the numbers together, and all the variables

30a-42=0

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

30a=42

a=42/30

a=1+2/5

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