15(-74a+51)=15(7a+456)

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Solution for 15(-74a+51)=15(7a+456) equation: 



15(-74a+51)=15(7a+456)

We move all terms to the left:

15(-74a+51)-(15(7a+456))=0

We multiply parentheses

-1110a-(15(7a+456))+765=0



We calculate terms in parentheses: -(15(7a+456)), so:

15(7a+456)

We multiply parentheses

105a+6840

Back to the equation:

-(105a+6840)



We get rid of parentheses

-1110a-105a-6840+765=0

We add all the numbers together, and all the variables

-1215a-6075=0

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

-1215a=6075

a=6075/-1215

a=-5

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