Question

Solve for n.
-5/7n + 1 =21

Answer 1

N in (-oo:+oo)

(-5/7)*n+1 = 21 // - 21

(-5/7)*n-21+1 = 0

-5/7*n-20 = 0 // + 20

-5/7*n = 20 // : -5/7

N = 20/(-5/7)

N = -28

N = -28

hope it worked out, since i'm not entirely sure.