-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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