-7(1+10n)=7(3n-1)

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Solution for -7(1+10n)=7(3n-1) equation: 



-7(1+10n)=7(3n-1)

We move all terms to the left:

-7(1+10n)-(7(3n-1))=0

We add all the numbers together, and all the variables

-7(10n+1)-(7(3n-1))=0

We multiply parentheses

-70n-(7(3n-1))-7=0



We calculate terms in parentheses: -(7(3n-1)), so:

7(3n-1)

We multiply parentheses

21n-7

Back to the equation:

-(21n-7)



We get rid of parentheses

-70n-21n+7-7=0

We add all the numbers together, and all the variables

-91n=0

n=0/-91

n=0

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