4(a-9)=-4-4(a+10)

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Solution for 4(a-9)=-4-4(a+10) equation: 



4(a-9)=-4-4(a+10)

We move all terms to the left:

4(a-9)-(-4-4(a+10))=0

We multiply parentheses

4a-(-4-4(a+10))-36=0



We calculate terms in parentheses: -(-4-4(a+10)), so:

-4-4(a+10)

determiningTheFunctionDomain
-4(a+10)-4

We multiply parentheses

-4a-40-4

We add all the numbers together, and all the variables

-4a-44

Back to the equation:

-(-4a-44)



We get rid of parentheses

4a+4a+44-36=0

We add all the numbers together, and all the variables

8a+8=0

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

8a=-8

a=-8/8

a=-1

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