2-4(2a+3)=-15-3(a-1)

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Solution for 2-4(2a+3)=-15-3(a-1) equation: 



2-4(2a+3)=-15-3(a-1)

We move all terms to the left:

2-4(2a+3)-(-15-3(a-1))=0

We multiply parentheses

-8a-(-15-3(a-1))-12+2=0



We calculate terms in parentheses: -(-15-3(a-1)), so:

-15-3(a-1)

determiningTheFunctionDomain
-3(a-1)-15

We multiply parentheses

-3a+3-15

We add all the numbers together, and all the variables

-3a-12

Back to the equation:

-(-3a-12)



We add all the numbers together, and all the variables

-8a-(-3a-12)-10=0

We get rid of parentheses

-8a+3a+12-10=0

We add all the numbers together, and all the variables

-5a+2=0

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

-5a=-2

a=-2/-5

a=2/5

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