6x+21=1+4(5+7x)

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Solution for 6x+21=1+4(5+7x) equation: 



6x+21=1+4(5+7x)

We move all terms to the left:

6x+21-(1+4(5+7x))=0

We add all the numbers together, and all the variables

6x-(1+4(7x+5))+21=0



We calculate terms in parentheses: -(1+4(7x+5)), so:

1+4(7x+5)

determiningTheFunctionDomain
4(7x+5)+1

We multiply parentheses

28x+20+1

We add all the numbers together, and all the variables

28x+21

Back to the equation:

-(28x+21)



We get rid of parentheses

6x-28x-21+21=0

We add all the numbers together, and all the variables

-22x=0

x=0/-22

x=0

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