Question

Resolva as seguintes equações :

A) x+9=-1
B) x+28=11
C) x-109=5
D) x-39=-79
E) x+6=6

Answer 1

A) x+9=-1

x=-1-9

x=-10

B) x+28=11

x=11-28

x=-17

C) x-109=5

x=5+109

x=114

D) x-39=-79

x=-79+39

x-40

E) x+6=6

x=6-6

x=0