3(a-6)=-5a-(7+3a)=

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Solution for 3(a-6)=-5a-(7+3a)= equation: 



3(a-6)=-5a-(7+3a)=

We move all terms to the left:

3(a-6)-(-5a-(7+3a))=0

We add all the numbers together, and all the variables

3(a-6)-(-5a-(3a+7))=0

We multiply parentheses

3a-(-5a-(3a+7))-18=0



We calculate terms in parentheses: -(-5a-(3a+7)), so:

-5a-(3a+7)

We get rid of parentheses

-5a-3a-7

We add all the numbers together, and all the variables

-8a-7

Back to the equation:

-(-8a-7)



We get rid of parentheses

3a+8a+7-18=0

We add all the numbers together, and all the variables

11a-11=0

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

11a=11

a=11/11

a=1

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