-7(n-7)-5n=-21+2n

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Solution for -7(n-7)-5n=-21+2n equation: 



-7(n-7)-5n=-21+2n

We move all terms to the left:

-7(n-7)-5n-(-21+2n)=0

We add all the numbers together, and all the variables

-7(n-7)-5n-(2n-21)=0

We add all the numbers together, and all the variables

-5n-7(n-7)-(2n-21)=0

We multiply parentheses

-5n-7n-(2n-21)+49=0

We get rid of parentheses

-5n-7n-2n+21+49=0

We add all the numbers together, and all the variables

-14n+70=0

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

-14n=-70

n=-70/-14

n=+5

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