-6(5+4a)+9a=9-3(2a+1)

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Solution for -6(5+4a)+9a=9-3(2a+1) equation: 



-6(5+4a)+9a=9-3(2a+1)

We move all terms to the left:

-6(5+4a)+9a-(9-3(2a+1))=0

We add all the numbers together, and all the variables

-6(4a+5)+9a-(9-3(2a+1))=0

We add all the numbers together, and all the variables

9a-6(4a+5)-(9-3(2a+1))=0

We multiply parentheses

9a-24a-(9-3(2a+1))-30=0



We calculate terms in parentheses: -(9-3(2a+1)), so:

9-3(2a+1)

determiningTheFunctionDomain
-3(2a+1)+9

We multiply parentheses

-6a-3+9

We add all the numbers together, and all the variables

-6a+6

Back to the equation:

-(-6a+6)



We add all the numbers together, and all the variables

-15a-(-6a+6)-30=0

We get rid of parentheses

-15a+6a-6-30=0

We add all the numbers together, and all the variables

-9a-36=0

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

-9a=36

a=36/-9

a=-4

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