-1+6(1+7n)=257

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Solution for -1+6(1+7n)=257 equation: 



-1+6(1+7n)=257

We move all terms to the left:

-1+6(1+7n)-(257)=0

We add all the numbers together, and all the variables

6(7n+1)-1-257=0

We add all the numbers together, and all the variables

6(7n+1)-258=0

We multiply parentheses

42n+6-258=0

We add all the numbers together, and all the variables

42n-252=0

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

42n=252

n=252/42

n=6

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