3(1-5)=6a-(3a-15)

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Solution for 3(1-5)=6a-(3a-15) equation: 



3(1-5)=6a-(3a-15)

We move all terms to the left:

3(1-5)-(6a-(3a-15))=0

We add all the numbers together, and all the variables

-(6a-(3a-15))+3(-4)=0

We add all the numbers together, and all the variables

-(6a-(3a-15))-12=0



We calculate terms in parentheses: -(6a-(3a-15)), so:

6a-(3a-15)

We get rid of parentheses

6a-3a+15

We add all the numbers together, and all the variables

3a+15

Back to the equation:

-(3a+15)



We get rid of parentheses

-3a-15-12=0

We add all the numbers together, and all the variables

-3a-27=0

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

-3a=27

a=27/-3

a=-9

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