Question

X + 3 =11

X - 5 =7

X - 8=20

X + 2 =1

X + -3 =7

X - 8 = -3

8 + x = -9

-12 + x =-9

-5 + z =-3​

Answer 1

Respuesta:

x+3=11 ,     x = 9

X - 5 =7,    x = 12

X - 8=20,   x =28

X + 2 =1,    x =  -1

X + -3 =7,   x =  10

X - 8 = -3,   x =   5

8 + x = -9,   x =  -17

-12 + x =-9,  x = 3

-5 + z =-3​,   z = 2

Explicación paso a paso:

x + 3 = 11

11 - 3 = x

9 = x

x = 9

Espero te sirva :3