40(a-1)45(2a+1)=12(a-2)

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Solution for 40(a-1)45(2a+1)=12(a-2) equation: 



40(a-1)45(2a+1)=12(a-2)

We move all terms to the left:

40(a-1)45(2a+1)-(12(a-2))=0



We calculate terms in parentheses: -(12(a-2)), so:

12(a-2)

We multiply parentheses

12a-24

Back to the equation:

-(12a-24)



We get rid of parentheses

40(a-1)45(2a+1)-12a+24=0

We add all the numbers together, and all the variables

-12a+40(a-1)45(2a+1)+24=0

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

-12a+40(a-1)45(2a+1)=-24

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