Question

Favor me urge resolver estos ejercicios.

- x - 8 = 0

-x -6 = 3

-x + 20 = 31

Answer 1

-x -8 = 0

-x = 0 + 8

-x = 8 o  x = -8

-x -6 = 3

-x = 3 + 6

-x = 9  o x = -9

-x + 20 = 31

-x = 31 - 20

-x = 11  o x =-11

Answer 2

-x=8
x=-8

-x=9
x=-9

-x=11
x=-11