Question

1 resolva as equações

a) x+5=8
b)x-4=3
c)x+6=-7
d)x+9=-1
e)x+28=-11
f)x-109=5

2 resolva as seguintes equações

a)3.x=18
b)2.x=14
c)4.x=-12
d)7.x=-21
e)5.x=15
f)9.x=-18
g)25.x=50
h)4.x=12
i)12.x=36
j)8.x=32
k)9.x=36
l)2.x=64
m)15.x=45
n)10.x=100

Answer 1

Resposta:

1a.x=3

b.x=7

c.x= -13

d.x= -10

e. x= -39

f.x= 114

2a.x=6

b.x=7

c.x=-3

d.x= -3

e.x=3

f.x=-2

g.x=2

h.x=3

i.x=3

j.x=4

k.x=4

l.x=32

m.x=3

n.x=10

Answer 2

Resposta:

1,a)3 b) 7 c) -13 d) -10 e) -39 f) 114