-4(1+a)=-12a-4(-2-5a)

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Solution for -4(1+a)=-12a-4(-2-5a) equation: 



-4(1+a)=-12a-4(-2-5a)

We move all terms to the left:

-4(1+a)-(-12a-4(-2-5a))=0

We add all the numbers together, and all the variables

-4(a+1)-(-12a-4(-5a-2))=0

We multiply parentheses

-4a-(-12a-4(-5a-2))-4=0



We calculate terms in parentheses: -(-12a-4(-5a-2)), so:

-12a-4(-5a-2)

We multiply parentheses

-12a+20a+8

We add all the numbers together, and all the variables

8a+8

Back to the equation:

-(8a+8)



We get rid of parentheses

-4a-8a-8-4=0

We add all the numbers together, and all the variables

-12a-12=0

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

-12a=12

a=12/-12

a=-1

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