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Cine este x: [ ( x+7) ÷6-10]÷ 4+5=25​

Răspuns :

Raspuns:

x=533

Explicație pas cu pas:

[(x+7)÷6-10]÷4+5=25

(x+7/6-10)×1/4+5=25

x+7-60/6×1/4+5=25

x-53/6×1/4+5=25

x-53/24+5=25

x-53+120=600

x+67=600

x=600-67

x=533

[(x + 7) : 6 - 10] : 4 + 5 = 25​

[(x + 7) : 6 - 10] : 4 = 20

(x + 7) : 6 - 10 = 80

(x + 7) : 6 = 90

x + 7 = 540

x = 533