Question

resolva as equações​

Answer 1

Resposta:

a) x+5=8

x=8-5 x=3

b)x-4=3

x=3+4 x=7

c) x+6=5

x=5-6 x=-1

d)x-7=7

x=7+7 x=14

e)x+9=1

x=1-9 x=-8

f) x+28=11

x=11-28 x=-17

g) x-109=5

x=109+5 x=114

h)x-39=79

x=79+39 x=118

Answer 2

Resposta:

a)x+5=8

x=8-5

x=3

b)x-4=3

x=3+4

x=7

c)x+6=5

x=5-6

x=-1

d)x-7=7

x=7+7

x=14

e)x+9=1

x=1-9

x=-8

f)x+28=11

x=11-28

x=-17

g)x-109=5

x=5-109

x=-104

h)x-39=79

x=79+39

x=118