Question

aflati valorile mumarului x care verifica egalitatea (3x +5x)÷4 <10​

Answer 1

Răspuns:

(3x+5x)/4<10

8x/4<10

2x<10

x<5

• x€(-infinit,5)
• /-impartit

Answer 2

Răspuns:

Explicație pas cu pas:

(3x+5x):4 <10

8x:4<10

8x<10*4

8x<40

x<40:8

x< 5

x∈{0,1,2,3,4 }

-

x= 0

8*0:4<10

0:4<10

0<10

-

8*1:4<10

8:4<10

2<10

-

8*2:4<10

16:4<10

4<10

-

8*3:4<10

24:4<10

6<10

-

8*4:4<10

32:4<10

8<10

X=0,1,2,3,4