Question

alguem? a x+9=1 b x+28=11 c x -109=5 d x-39=79

Answer 1

Resposta:

a) x=1-9

x=-8

b)x=11-28

x=-17

c)x=5+109

x=114

d)x=79+39

x=118

Answer 2

Olá...

a)

x + 9 = 1

x = 1 - 9

x = - 8

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 = 118

Espero ter ajudado.