21+8a=-1-6(4-5a)

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Solution for 21+8a=-1-6(4-5a) equation: 



21+8a=-1-6(4-5a)

We move all terms to the left:

21+8a-(-1-6(4-5a))=0

We add all the numbers together, and all the variables

8a-(-1-6(-5a+4))+21=0



We calculate terms in parentheses: -(-1-6(-5a+4)), so:

-1-6(-5a+4)

determiningTheFunctionDomain
-6(-5a+4)-1

We multiply parentheses

30a-24-1

We add all the numbers together, and all the variables

30a-25

Back to the equation:

-(30a-25)



We get rid of parentheses

8a-30a+25+21=0

We add all the numbers together, and all the variables

-22a+46=0

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

-22a=-46

a=-46/-22

a=2+1/11

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