Respostas
respondido por:
0
espero ter ajudado...
Anexos:
respondido por:
0
a
(x:4).6=54
x . 6 = 54
---
4
6x = 54
-----
4
6x = 4.54
6x = 216
x = 216/6
x = 36
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
b)
x - 27 = 5
x = 5 + 27
x = 32
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
c)
5 + 2x = 27
2x = 27 - 5
2x = 22
x = 22/2
x = 11
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
d)
x - 3.27 = 2
x - 81 = 2
x = 2 + 81
x = 83
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
e)
2x = 50 - 16
2x = 34
x = 34/2
x = 17
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
f)
2x - 35 - 39 = 30
2x - 74 = 30
2x = 30 + 74
2x = 104
x =104/2
x = 52
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
(x:4).6=54
x . 6 = 54
---
4
6x = 54
-----
4
6x = 4.54
6x = 216
x = 216/6
x = 36
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
b)
x - 27 = 5
x = 5 + 27
x = 32
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
c)
5 + 2x = 27
2x = 27 - 5
2x = 22
x = 22/2
x = 11
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
d)
x - 3.27 = 2
x - 81 = 2
x = 2 + 81
x = 83
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
e)
2x = 50 - 16
2x = 34
x = 34/2
x = 17
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
f)
2x - 35 - 39 = 30
2x - 74 = 30
2x = 30 + 74
2x = 104
x =104/2
x = 52
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
Perguntas similares
7 anos atrás
7 anos atrás
7 anos atrás
9 anos atrás
9 anos atrás
9 anos atrás