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Todas as categorias

12 respostas

x - 4 = x + 2//2

2x - 8 = x +2

x=10

RESPOSTA: 10

2007-03-20 12:08:50 · answer #1 · answered by danuta_duarte 2 · 0 1

A metade da soma de 4+2*4
__4__
2
logo a metade da soma é 3 e a diferença em 4 e 3 é 1

2007-03-20 14:41:26 · answer #2 · answered by Carolina B 2 · 0 0

a - 4 = a/2 + 2
a - a/2 = 2 + 4
a/2 = 6
a = 6*2
a = 12
Resposta: O número é 12.
::>>::

2007-03-20 14:09:44 · answer #3 · answered by aeiou 7 · 0 0

cara, desculpa mas eu tô aceitando até as perguntas mais estúpidas. qualquer uma menos aquelas que me obrigam a pensar demais....

2007-03-20 12:02:16 · answer #4 · answered by Flashman 2 · 0 0

12 .....

2007-03-20 12:01:28 · answer #5 · answered by Anonymous · 0 0

R: a resposta é:

x-4=x/2+2

x-4=x

2x=4

x=4/2

x=2

2007-03-20 12:17:17 · answer #6 · answered by dudu 1 · 0 1

X-4=(X+2)/2 -->X=10


10-4=6
(10+2)/=6

2007-03-20 12:14:25 · answer #7 · answered by Lord McLoud 7 · 0 1

é fácil, basta saber montar a equação:

4 - x = (2 + x) / 2
8 - 2x = 2 + x
6 = 3x
x = 6/3 = 2

conferindo:
4 - 2 = 2 (diferença)
(2 + 2) / 2 = 2 (metade da soma dele com 2)

RESPOSTA: 2

=D
abraço

2007-03-20 12:12:27 · answer #8 · answered by Gabriel A 2 · 0 1

2

2007-03-20 12:07:41 · answer #9 · answered by Euzinha... 4 · 0 1

O NÚMERO É 6 (SEIS)

2007-03-20 12:05:16 · answer #10 · answered by FERNANDO CESAR GASETTA G 1 · 0 1

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