Question

the sum of five times a number and -6 is -2

Answer 1

So,

"The sum of five times a number and -6"
5n + -6 or 5n - 6

"is -2"
= -2

5n - 6 = -2

Add 6 to both sides.
5n = 4

Divide both sides by 5.
$n = \frac{4}{5} \ or\ 0.8\ or\ 80\ percent$