1) Resolva as equaçoes
a) X+20+2x= 2x+81
b) 5x = 25
c) 3x + 7 = 28
d) x/2 = 8
e) x/2 = -8
f) 3x/4 = 9
g) 2x/3 = -10
2)Resolva:
a) x + 4 = 1 b) x - 5 = 1
6 7
c) 3x - 1 = 4 d) x + 9 = 1
5 9
e) 4x + 3 = -1 f) 8x - 5 = 9
9 2
AJUDA PRFVV
a) X+20+2x= 2x+81
b) 5x = 25
c) 3x + 7 = 28
d) x/2 = 8
e) x/2 = -8
f) 3x/4 = 9
g) 2x/3 = -10
2)Resolva:
a) x + 4 = 1 b) x - 5 = 1
6 7
c) 3x - 1 = 4 d) x + 9 = 1
5 9
e) 4x + 3 = -1 f) 8x - 5 = 9
9 2
AJUDA PRFVV
Lista de comentários
a) x=
b) x=5
c) x=7
d) x=16
e) x= -16
f) x=12
g) x= -15
2.
a) x= -3
b) x= 6
c) x= 5/6 ou 0,833...
d) x= -8
e) x= -1
f) x= 7/4 ou 1,75