SOLUTION: Solve for n 7n+2[3(1-n)-2(1+n)]=14 I ggot the answer as 10, but when my mom checks it she cannot make it work.

Algebra ->  Equations -> SOLUTION: Solve for n 7n+2[3(1-n)-2(1+n)]=14 I ggot the answer as 10, but when my mom checks it she cannot make it work.      Log On


   



Question 100182: Solve for n
7n+2[3(1-n)-2(1+n)]=14
I ggot the answer as 10, but when my mom checks it she cannot make it work.

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
you have to remove the parentheses from the inside to the outside

7n+2[3-3n-2-2n]=14 ... 7n+2[1-5n]=14

7n+2-10n=14 ... -3n=12 ... n=-4