👤
Tasea
a fost răspuns

Rezolvati in multimea Q ecuatia: 5-2x=0.5; 3.6/x=1.2; 2.3x+1.2x=7

Răspuns :

Miladydanceclub
stim ca multimea Q reprezinta numerele rationale, adica fractiile

a) 5- 2x = 5/10
5- 1/2 = 2x
9/2 = 2x
x = 9/4

b)  36/10x = 12/10
12* 10x = 10* 36
10 x = 10*36/12
x = 10*36 / 10*12
x = 36/12
x =3

c) 23/10x + 12/10x = 7
23 + 12 = 7 * 10x
35 = 7* 10x
35 = 70x
x = 35/70
x = 1/2


Alte intrebari