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

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Solution for 10(a-1)-45(2a+1)=12(a-2) equation: 



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

We move all terms to the left:

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

We multiply parentheses

10a-90a-(12(a-2))-10-45=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 add all the numbers together, and all the variables

-80a-(12a-24)-55=0

We get rid of parentheses

-80a-12a+24-55=0

We add all the numbers together, and all the variables

-92a-31=0

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

-92a=31

a=31/-92

a=-31/92

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