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Determina numarul natural x din inegalitatea {[(x-8)×7+6-5]-4}×3-2=10 ​

Răspuns :

Alinila4

{[(x-8)×7+6-5]-4}×3-2=10

{[(x-8)×7+6-5]-4}×3=10+2

{[(x-8)×7+6-5]-4}×3=12

[(x-8)×7+6-5]-4=12:3

[(x-8)×7+6-5]-4=4

(x-8)×7+6-5=4+4

(x-8)×7+6-5=8

(x-8)×7+6=8+5

(x-8)×7+6=13

(x-8)×7=13-6

(x-8)×7=7

x-8=7:7

x-8=1

x=8+1

x=9

Succes

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