7(a+1)-1=a+6(a+1)

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Solution for 7(a+1)-1=a+6(a+1) equation: 



7(a+1)-1=a+6(a+1)

We move all terms to the left:

7(a+1)-1-(a+6(a+1))=0

We multiply parentheses

7a-(a+6(a+1))+7-1=0



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

a+6(a+1)

We multiply parentheses

a+6a+6

We add all the numbers together, and all the variables

7a+6

Back to the equation:

-(7a+6)



We add all the numbers together, and all the variables

7a-(7a+6)+6=0

We get rid of parentheses

7a-7a-6+6=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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