Question

How do you solve `\frac{n+1}{11} = -2`?

Answer 1

Multiplying both sides with 11

11 (n+ 1) / 11 = - 2 x 11

n+1 = -2 x 11

n+1 = -22

subtracting 1 from both sides;

n+1 -1 = -22 -1

n = -23